Answer:
Its option C
Explanation:
In May 1985, Gorbachev gave a speech in Leningrad in which he admitted the slowing of economic development, and inadequate living standards. Gorbachev and his team of economic advisors then introduced more fundamental reforms, which became known as perestroika (restructuring).
In 1830, they took the state of Georgia to court in a case that challenged Georgia's jurisdictional claims directly. In Cherokee Nation v. Georgia, the Cherokees sought an injunction against Georgia's attempts to implement its act of 1828 asserting sovereignty over Cherokee lands.
The Mali Empire was founded by Sundiata Keita. This empire
was known because of its rich rulers especially Musa Keita. This was an empire
which existed from 1230-1670 in West Africa. It influenced West Africa’s
culture through its language, laws and customs and taken that it was the
largest empire in West Africa.