Some historians argue that the collapse of the Soviet Union was ultimately caused by a. its inability to effectively address the myriad social and political issues that divided the nation.
b. its failure to prop up the communist regime in Afghanistan during the late 1980s.
c. the weakened state of communism in the Western Hemisphere following the Cuban missile crisis.
d. the unexpected consequences of Mikhail Gorbachev's policies to address internal problems.

industry had made the u.s. the richest nation in the world at this time. the second industrial revolution caused growth in industry and transportation, which allowed increased trade between nations. click to let others know, how is it

well to answer ur question to be completly honest

the technology changed agriculture in an impacting manner since many people left the field work by a cellular or other technological appliances

1. artillery

2. jose san martin

3.their economies remained dependent on outside powers.

4. drafted new economies

5. democracies have replaced dictatorships