What most likely determined the size of groups of prehistoric hunter-gatherers?

From the soviet point of view, which reagan policy most threatened to create a new arms race? a. strategic defense initiative b. u. s. support for israel c. aid to the anti-soviet rebels in afghanistan d. iran-contra scandal

Who was in charge of american troops during world war i?

How did the international community respond to south africa’s policies in the 1980s?