Who or what does them refer to choose the word that completes the sentence

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

Tension between the british. and boers was caused primarily by what things?

In 1991, which of the following split into 15 independent republics when its communist government lost power? a) china b) belarus c) germany d) soviet union