What was the most costly war for the us

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.

Which term best describe the first spaniards in oklahoma? a) explorers b) treasure hunters c) pioneers d) settlers i need this andwer

Which events are correlated but do not necessarily have a causal relationship?