It was : B-refining oil Back then, standard oil managed to gain monopoly within the oil industry by buying all of the existing rival refineries and united it under the standard oil brand. This allow them to dominate the whole oil product that distributed in united states
After the defeat in WWII, Germany's capital, Berlin was divided into four zones which were separately governed by France,Britain,US and the USSR. In 1946,the three nations merge the zone of France, Britain and US to be governed by one government, USSR strongly protested against it as the merged zones account for 75% of Germany's original population. In reaction,USSR cut off all land routes linking Berlin and the Western zone,claiming that it was to protect USSR's economy. The event was known as Berlin Blockade.
They depended on charity.
They stoped importing British goods into the colonies