Hopes this helps:
Answer:
In general, historians have identified several different causes of the Vietnam War, including: the spread of communism during the Cold War, American containment, and European imperialism in Vietnam.
Explanation:
In Africa the climate is very harsh
To trade sometimes people have to go very far distances and cross many different climate zones
For example in the desert climate zone, temperatures in the day can get very hot. At night the temperatures can drop below zero.
The harsh climate can affect how fast it will take for traders to get from one place to another. The climate can also affect the amount of goods or kinds of goods the traders can bring or purchase.
The Bible, not the Pope was the supreme authority of the Church
He began exploring North America in 1603