Who did Ivan the Great marry to improve his
legitimacy as Tzar?

1547, Ivan IV was crowned tsar of Muscovy. That same year, he married Anastasia Romanovna. In 1549, Ivan appointed a council of advisers, a consensus-building assembly who helped institute his reforms.

cd's

explanation:

an expansion is one of two basic business cycle phases; the other is contraction. the transition from expansion to contraction is a peak, and the changeover from contraction to expansion is a trough.