I think the person above is right it is A. Hope this helps
to save the peoplee from affrica because the chosen ose was going to come soon (god)
Answer:
migration; diffusion
Explanation:
With the migration of people from fertile areas, knowledge of agriculture spread by diffusion.
America."
<span>As the nation developed, it expanded westward from small settlements along the Atlantic Coast, eventually including all the territory between the Atlantic and Pacific oceans across the middle of the North American continent, as well as two noncontiguous states and a number of territories. At the same time, the population and the economy of the United States grew and changed dramatically. The population diversified as immigrants arrived from all countries of the world. From its beginnings as a remote English colony, the United States has developed the largest economy in the world. Throughout its history, the United States has faced struggles, both within the country—between various ethnic, religious, political, and economic groups—and with other nations. The efforts to deal with and resolve these struggles have shaped the United States of America into the late 20th century</span>