1. Latin America's landforms include highlands, lowlands, mountains, and plains.
2. I would say villages near the plains,lowlands and maybe even mountains
The climate became warmer and so the people had to adapt to the climate. They had to learn how to hunt smaller animals and grow new things, the are used to have slit of ice until the climate became warm
The river was very useful for the European conquerors in the beginning of the expedition, and it was also crucial for the invasion of New France by England in the war of 100 years.