What was the ancestral Puebloans most notable achievements? Was it canoe building?

No, canoe building was not one of the ancestral Puebloans' most notable achievements. The ancestral Puebloans, also known as the Anasazi, were an ancient Native American culture that thrived in the southwestern United States from about 1 AD to 1300 AD. They are best known for their impressive architectural developments and their mastery of farming techniques in a desert environment. Some of their notable achievements include:

1. Architecture: The ancestral Puebloans were skilled at constructing massive multistory buildings made of stone and adobe bricks. The most famous example of their architectural achievements is the elaborate cliff dwellings found at places like Mesa Verde and Chaco Canyon. These structures were built into the sides of cliffs and featured interconnected rooms, kivas (ceremonial structures), and defensive walls.

2. Farming and Irrigation: Despite living in an arid region, the ancestral Puebloans successfully farmed the desert landscapes. They developed complex irrigation systems to divert water from rivers and streams. They also used terracing techniques to create flat areas for farming on steep slopes. This allowed them to grow maize (corn), beans, and squash and sustain their communities.

3. Pottery and Crafts: The ancestral Puebloans were skilled in pottery making and created beautiful and intricately designed ceramic vessels. They also crafted various other items like baskets, textiles, and jewelry. Their pottery, especially the black-on-white and black-on-red pottery styles, is highly regarded for its craftsmanship and artistic expressions.

4. Astronomy and Timekeeping: The ancestral Puebloans were knowledgeable about celestial events and built observatories to track the movement of the sun and stars. They aligned their structures and built windows and other architectural features to observe solstices, equinoxes, and other important astronomical events. This suggests that they had a deep understanding of astronomy and used it for agricultural and cultural purposes.

While they may have used canoes for transportation along rivers or lakes, it is not considered one of their most notable achievements.