Mikhail Gorbachev contributed to the fall of communism in the Soviet Union and Eastern Europe by
(1) introducing the policies of Perestroika and Glasnost
(2) violating nuclear arms agreements
(3) invading Afghanistan
(4) signing the Camp David Accords

Which type of evidence would support the author's claim?

Which two statements regarding graduated driver licensing are true? select all the correct answers. gdl new drivers gain skills under low-risk conditions. gdl new drivers gain skills under high-risk conditions. gdl laws are the same across states. gdl laws vary across states. gdl does not need parental supervision and coaching.

What is the role of communication within groups of people with different backgrounds?