What was one cause of the russian revolution

Economically, widespread inflation and food shortages in Russia contributed to the revolution. Militarily, inadequate supplies, logistics, and weaponry led to heavy losses that the Russians suffered during World War I; this further weakened Russia's view of Nicholas II. They viewed him as weak and unfit to rule.

Explanation:

pretty sure a is right

answer; by working independently, the states have a high likelihood of developing innovative solutions that can be employed in other states;