<span>John D. Rockefeller did everything by his own. Vertical integrations means that he employed his own workers, then he constructed barrels to store oil and rent wagons and horses to transport that barrels. So it's called vertical integration. </span>
Historians need to be worried about reports with bias in them because their reports do not accurately reflect history. Historians need to take many reports <span>into consideration when studying history.</span>
Answer:
Coinciding with the end of World War I, a socialist revolution broke out in Germany. The German Revolution of 1918-1919 resulted in the creation of the left-leaning Weimar Republic, which lasted until Adolf Hitler's Nazi Party seized power in the early 1930s.
Explanation:
that is from a paper i had to write about it so hope it helps!
B) Federal Reserve Policy I think since he was dealing with inflation
Answer
D..............................