Answer:
1.They had their won government.
2.They used roads to carry messages long distances.
The Declaration of Independence of the United States
Answer:
On the night of August 20, 1968, approximately 200,000 Warsaw Pact troops and 5,000 tanks invade Czechoslovakia to crush the “Prague Spring”—a brief period of liberalization in the communist country. Czechoslovakians protested the invasion with public demonstrations and other non-violent tactics, but they were no match for the Soviet tanks
A)To protect convoys of merchant ships