The berlin wall, which divided berlin in half from the 1960s to 1989. which type of boundary was the berlin wall?
a. an iron curtain
b. a physical barrier
c. a trade agreement
d. an artistic piece

Which of the following could be seen as a weakness of a two-party system? a. the two-party system limits voters' options in electing officials.b. the two-party system limits debate on issues.c. the two-party system limits the range of solutions that will be considered.d. all of these are weaknesses