I need to cover the most important developments in agricultural and pastoral production in central Africa during the middle ages (600-1450). Also, I can cover the creation, expansion, and interaction of economic systems in place of the subtheme.

I'm out of luck. The trade networks or the nile river either doesn't fit in the time frame or it doesn't fit in the region.
Does the three-field system pertain to the requirements? What about the climate changes?

Any other ideas?

Can you suggest anything I can look under? Anything that pertains to trade and commerce, labor systems, industrialization, or capitalism and socialism around this region, and time frame? Well..the countries that are in central Africa are Cameroon, Equitorial Guinea, Republic of the Congo, Angola, Congo, Zambia, and Central African Republic.

Please give me something to work with..I'm really out of luck. I've tried numerous resources.

I searched at Wikipedia for central africa 7th century and here are the results:

http://en.wikipedia.org/wiki/Special:Search?search=central+africa+7th+century

I searched at www.google.com for central africa 8th century and here are the results:
http://www.google.com/search?q=central+africa+8th+century&rls=com.microsoft:en-us:IE-SearchBox&ie=UTF-8&oe=UTF-8&sourceid=ie7&rlz=1I7SUNA

You can search at both places with varying search terms, and you'll get different results. Search by century.

You also have to keep in mind that, if there was no written language in those areas, it's unlikely there were records kept. If there were no written language for a particular period of time in a particular geographical area, anything written would probably be someone's recording of oral stories and traditions that were handed down over the generations.

Any other ideas?

Any topics I could look under because obviously there aren't much information on this time frame/ region.

Any trade networks I could work with? What about the gold-salt trade, Nile river, or the tran-saharan trade route?

Use all the terms you can think of for searching -- and don't forget to add the century. That'll help narrow down each search.

This is truly research. You search and search and search again. That's part of the process.

If you have online databases that your local or school library subscribes to, you should use those, too. They have access to things that are not available via regular search engines such as google and ask.

Find a reference librarian and ask about them.

To cover the most important developments in agricultural and pastoral production in central Africa during the Middle Ages (600-1450), or the creation, expansion, and interaction of economic systems, there are a few possible avenues to explore:

1. The Three-Field System: Unfortunately, the Three-Field System primarily emerged in Europe during the later Middle Ages and does not directly pertain to central Africa during the specified time frame. Therefore, it might not be the best topic to cover for your requirements.

2. Climate Changes: Climate changes can indeed be a valuable topic to consider. Exploring the impact of climate fluctuations, such as variations in rainfall patterns, temperature, or seasons, on agricultural and pastoral activities in central Africa during the Middle Ages can provide insight. You can investigate how these changes affected crop cultivation, animal husbandry, and land use practices.

Additionally, here are a few other ideas for topics related to agricultural and pastoral production, or the creation, expansion, and interaction of economic systems in central Africa during the Middle Ages:

1. Intensification of agricultural practices: Focus on how communities in central Africa increased agricultural productivity through techniques like terracing, irrigation, crop rotation, or improvements in seed varieties. Research their contributions to food security and economic development.

2. Domestication of crops and animals: Explore the domestication and cultivation of specific crops and animals, such as bananas, yams, sorghum, cattle, sheep, or goats, and their impact on agricultural and pastoral production in central Africa during this period. Investigate how these domesticated species influenced social, economic, and cultural aspects of the region.

3. Trade networks: While you mentioned that trade networks might not fit within the time frame or region, it's worth exploring further. Investigate potential trade routes connecting central Africa to other regions during the Middle Ages. Examine the goods traded, their impact on economic systems, and how these exchanges affected agricultural and pastoral production.

Remember, when researching these topics, consult academic sources, scholarly articles, or books on African history or agricultural history during the Middle Ages. These sources will provide accurate and in-depth information to support your analysis and answer any specific questions you may have.