Why do historians study the past?

They study world history because what happened to a society affects what will happen today and in the future. History is more than just studying what happened in the past. When you study a historical event, you also study a society's culture, religion, politics, and economics.

It is B,to learn about societies and people

Explanation:

Correct on edg 2021

worldwide, 780 million people do not have access to an improved water source. an estimated 2.5 billion people lack access to improved sanitation (more than 35% of the world's population)

i do believe its (d) it allowed the government to offer pioneers sixty acres of western land if they lived on it and made improvements to it.

explanation: signed into law in may 1862, the homestead act opened up settlement in the western united states, allowing any american, including freed slaves, to put in a claim for up to 160 free acres of federal land. by the end of the civil war, 15,000 homestead claims had been established, and more followed in the postwar years