Based on evidence gathered by archaeologists, the earliest humans most likely developed in Southeast Asian Islands The Great Rift Valley in Africa North American plains

The Great Rift Valley in Africa

Explanation:

Based on evidence gathered by archaeologists, the earliest humans most likely developed in the "Great Rift Valley in Africa."

The above statement was supported by discovering archaeological evidence gathered by Louis and Mary Leakey. They found between the 1930s and 1969s that the earliest humans developed in the Great Rift Valley in Africa.

They discovered Zinjanthropus boisei and Homó habilis in Kenya, Africa.

i do not know if this question has options, but a main impact of the federal reserve act of 1913, which created the federal reserve bank, was the international use of the u.s. dollar, which soon became the world's leading currency - particularly during world war i, since many nations around the world asked the united states for money.

the correct answer is “opportunity cost”. opportunity cost is what a company misses out because it decided in one option over another one. in this case, the company decided to invest in building a factory so it gave up another possible benefit or profit in order to achieve success with the factory.  

trade-off is not the correct answer since it is a situation in which you accept losing something in return for benefits in other areas.

and finally, consequence is a general term used to accept what it comes when you make a decision. it can be a positive or negative consequence depending if the decision you took was the correct one.