The symbol of deindustrialization is called the Rust Belt.
The southern states reacted negatively to the election of Abraham Lincoln in 1860. They were shocked and protested against Abraham Lincoln's election because they were not in favor of his propaganda to free the slave states (which mostly were in the Southern parts).
The Pentagon Papers revealed that the Harry S. Truman administration gave military support to France against the Communist led Viet Minh, which directly involved the United States in the Vietnam War.
The answer is 'B'.
Perestroika was a Soviet policy to make the economy more open to foreign competition and individual citizens.
Mikhail Gorbachev attempted to reconstruct the economic system of the Communist Party.
Example: Ending price controls
Glasnost refers to the government becoming more open.
Since the main economic activities revolve around the NASA's space center because of the quantity of people it attracts and works there, once the facilities are closed you can predict their average household income shall decrease because there will not be as many people around anymore. This has happened in other cases with petroleum companies, many towns have formed around their facilities and once they move the towns have to face a big income decrease.