Answer:
Ronald McNair was nationally recognized for his work in laser physics and was one of the thirty-five applicants selected by NASA from a pool of ten thousand. In 1984, McNair became the second African-American to make a flight into space. He was a mission specialist on the space shuttle Challenger.
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).
The correct answer is Rome, Italy. This is because although the name comes from the 19th century, the road system was used as far as 2 BC, meaning that Rome was a great empire then and there is even a saying that all roads lead to Rome. Of course it's different nowadays, but at that point in time it connected those two cities, Chang'an and Rome.
John Brown’s raid on the federal armory at Harper’s Ferry, Virginia (now West Virginia)
