What is the name of a large body of water that flows across the land

Which of the following groups of sentences most accurately describes the cuban missile crisis?

To keep other european powers from threatening its empire in america, spain sent soldiers, settlers, and?

Why did students gather in tiananmen square on june 4, 1989? on june 4, 1989, students gathered in tiananmen square to mourn the death of the pro-reform leader