Which sentence from the article BEST supports the article's central idea? A
But there's more to cats' grooming than cleaning their coats.
B
Pitsko works with great cats at the National Zoo in Washington, D. C.
C
Lions and tigers at the zoo lick their wounds, Pitsko said.
D
The grooming is partly to encourage them to go to the bathroom.

a.

congress passed laws allowing for free passage between states.

abraham lincoln

to reform the distraught soviet union, the democratization of the communist party was promoted through party secretary mikhail gorbachev's policies of “perestroika” and “glasnost.” perestroika refers to the reconstruction of the political and economic system established by the communist party.