Is "old letters" primary or secondary source?

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 of the following is an effect that constantine's conversion to christianity had on the roman empire?

Select all that apply. which of the following are themes found in creation myths? where the first person came from who the descendants were which religion is the true religion how things were created a supreme being explanations for bad things how the world will end asap