The battle between the Merrimack and the Monitor showed that...
a- new technology gave the Union an advantage.
b- surprise attacks were effective.
c- the South had better ships than the North.
d- the North and South were equally matched at sea.

Was the us justified in using the atomic bomb on hiroshima and nagasaki? why or why not?

What clause(s) expanded the power of the executive branch, especially relating to foreign policy?

Write two paragraphs to explain how the cold war changed after the 1960s. first, identify the ways it changed during leonid brezhnev's leadership in the 1970s. then, explain how the cold war changed when ronald reagan was in office in the early 1980s. include supporting facts and details from the text in your response.