Which of the following contributed to the collapse of communism in europe?
a. the high cost of the arms race weakened the soviet economy.
b. mikhail gorbachev allowed less political and economic freedom than previous leaders.
c. cold war tensions increased between the united states and the soviet union.
d. the soviet union refused to agree to an arms control agreement.
only answer if you know the answer for !

was a long, primarily nonviolent series of events to bring full civil rights and equality under the law to all americans. the era has had a lasting impact on united states society, in its tactics, the increased social and legal acceptance of civil rights, and in its exposure of the prevalence and cost of racism. in the south violence and fraud in southern elections from 1868 to 1876, which had reduced black voter turnout and enabled southern white democrats to regain power in state legislatures across the south

the fundamental orders of connecticut it would be the letter b