All of the following contributed to the modernization of the more developed nations, except

plentiful resources
self sufficient economics
plentiful land
large populations

not sure

I could make a good argument for all of them. However, probably large populations have contributed the least.

To determine which of the given options did not contribute to the modernization of more developed nations, let's analyze each option.

1. Plentiful resources: Having abundant resources is generally considered a contributing factor to the modernization of nations. These resources can be utilized for economic growth, industrialization, and technological advancement.

2. Self-sufficient economics: Developing self-sufficient economies can lead to the modernization of nations. By cultivating domestic industries and reducing reliance on foreign imports, countries can stimulate economic growth and innovation.

3. Plentiful land: Having ample land can play a part in a nation's modernization process. It provides space for urban expansion, infrastructure development, agriculture, and industrialization.

4. Large populations: A large population can contribute to a nation's modernization in various ways. It can provide a larger labor force, drive consumer demand, foster innovation, and support economic growth.

Based on the analysis above, all of the given options (plentiful resources, self-sufficient economics, plentiful land, and large populations) can contribute to the modernization of more developed nations. Therefore, the correct answer is none of the above options.