Answer:
A. The Soviet Union shifts away from a command economy,
Explanation:
Soviet reformist leader Mikhail Gorbachev attempted to introduce private entrepreneurship in the Soviet economy, reduce the central command economy and allow regions and republics to make more decisions about their own issues. In the end, he did not succeed, economic liberalization failed to revive a stagnant economy.
<span>Kings at the time usually didn't have heirs to the throne, because of this by killing the king you bring confusion to the country. No one knows what to do and everyone wants to be the new leader. So the king dying was a great chance for Alexander to take over Persia.</span>