What were the Glasnost and Perestroika polices and what effect did it have on the Soviet Union

Why is the mayflower significant? a) it was the first written document forbidding colonists from voting directly on laws. b) it was the first document that did not recognize citizen’s right c) it was the first written expression of citizen’s rights by the colonists d) it was the first government documents not created by the colonists

Most of the workers who laid the central pacific railroad were?

Does the amount of material present affect its intensive or extensive properties? explain.