Who became known as czar, a shortened form of Ceasar, when he became ruler of Russia? Answer fast thanks x

The Grand Duke of Moscow

Explanation:

The Grand Duke of Moscow became known as czar, a shortened form of Caesar, when he came to power.

the effect of the ming leaders banning ships with more than two masts was that there was no further construction of ships masts, because there was a surplus. ming emperors disallowed foreign exploration