Please help 50 points I need a four paragraph essay about how Mikhail Gorbachev de-escalated or ended Cold War

Under president reagan, the united states began to develop the strategic defense initiative, nicknamed "star wars.” what was the goal of that plan?

How did modern american history begin with “contact”?

Which of the following describes the branches of government in china? a executive b state council c judicial d premier e legislative f npc g ministers of state