<span>the total of all human actions and events in the past
</span>
Answer:
That North America is a continent
One reason for the development of amn early civilization in the Tigris-Euphrates river valley was that.<span>periodic flooding </span>left<span> rich soil, which was ideal for farming.</span><span> </span>
Rockefeller3.Beginning with a small oil refinery, this man‘s Standard Oil began to put competitors out of business.
