How did west africa's vegetation zones affect what trade goods were available

What principle did president truman invoke in sending u.s. troops into south korea without first asking congress to declare war?

Which of the following actions best shows how a historian would study the historiography of the french revolution? o a. reading about how earlier historians wrote about the french o b. creating a map of the important events of the french revolution o c. writing an unbiased history book about the french revolution's revolution leader o d. placing key events of the french revolution in chronological order

Marx and engels believed that a communist revolution would defeat capitalism and that the revolution would be led by