Which nation became america's ally against great britain in 1778?

When did stockpiles of strategic nuclear weapons begin to dramatically decline in the united states? a. the mid-1960s b. the mid-1970s c. the mid-1980s d. the mid-1990s

What were the main features of the aristotelian-ptolemaic model of the cosmos

Was the civil war inevitable? could anything have been done through compromise to stop it, or did it have to happen?