Which event marked the end of the Vietnam War?

Communist forces returned American prisoners of war.

US troops withdrew from Vietnam.

South Vietnam surrendered after Saigon fell.

The United States reduced its involvement in Vietnam

What directive in source a might have been at the root of the action described in source b?

What caused the comanche kiowa raiding? a. gadsden purchase b. battle of alamo c. bear flag revolt d. settlement of texas

Which is one reason many african nations have not prospered after gaining independence from european colonial powers? a. colonial powers sent their weakest economic advisors to the new countries, and their recommendations were flawed. b. independence left them with weak economies, and many countries have been unable to overcome or recover from these burdens. c. the desert region of the interior is inhospitable to foreign investors, and business interests focused on the coastal mediterranean cities. d. the money endowed upon independence is still tied up in the bank of england, which is hesitant to make loans to struggling nations.