Answer:
Buddhism is still practiced in East and South Asia. China has the largest population of Buddhists. 535 million people practice Buddhism today.
No, developed countries aren't facing the challenge of hight birth rates, instead, they are facing problems like: corruption, bad policies, and lack of infrastructure along with conflict from other countries or within their own.
The columbian exchange had a very negative effect on the Native Americans. The native americans received mostly disease from Europeans, but also certain plants and animals. Syphilis is one thing Europeans contracted from Native Americans.
Before farming, people lived by hunting wild animals and gathering wild plants. When supplies ran out, these hunter-gatherers moved on. Farming meant that people did not need to travel to find food. Instead, they began to live in settled communities, and grew crops or raised animals on nearby land.
