What do you think is the most useful tip?

What was the most important consequence of the large-scale ecological changes in africa two hundred thousand years ago?

Which of the following is an effect that constantine's conversion to christianity had on the roman empire?

Mee why did the government control the news and information americans received about the war? to eliminate propaganda that unfairly targeted immigrants to influence public opinion in support of the war effort to inform americans about troop movements and major battles