Which of the following is a major reason why so many different ethnic groups live in East Africa? Question 11 options: Europeans colonized East Africa in the 1800s.
Indigenous peoples were scattered due to conflict.
East Africa's location led to trade and interaction between cultures.
People have been living in East Africa longer than any other place on Earth.

Which of the following statements best characterizes changes to agriculture in the united states since 1900? a. increased mechanization has reduced the need for labor.b. increased mechanization has increased the need for water, thereby increasing the need for labor.increased mechanization has increased the use of land, thereby increasing the need for labor.d. increased mechanization has increased food production, thereby increasing the need for labor. select the best answer from the choices provided.