In what year did california separate from mexico and become part of the united states? on any of these questions & : )

How did people react to electricity?

Which of the following is one example of an ideological conflict that became one of the causes of world war ii?

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.