In 1945, after the defeat of Nazi Germany, Poland's borders were redrawn in accordance with the decisions made first by the Allies at the Tehran Conference of 1943 where the Soviet Union demanded the recognition of the military outcome of the top secret Nazi–Soviet Pact of 1939 of which the West was unaware. Hope this helps :)
Reaper and steel plow were the machines invented by Cyrus McCormick and John Deere that made large-scale agriculture possible, especially on Midwestern prairies.
B) Reaper and steel plow
<u>Explanation:</u>
In the 1800's people used to do all the chores with their hands hence, it made farming a tough job and a lot of time consuming activity. During the industrial revolution, Cyrus McCormick invented a mechanical reaper, which would help reap big farms in very less time.
The steel plow played a very important role in the industrial revolution as the wooden plow used to be weak but John Deere's invented steel plow was strong and broke soil easily.
When one is trying to explain or inform, it would be a third person point of view.
The correct option is "the national currency was too weak"
While the Southerners resigned their seats in the Senate and the House of Representatives, secession allowed the Republicans to approve proposals that had been blocked by the Southern senators before the war. Among these laws that were approved highlighted the Morrill Act, through which the important iron industry was protected; the Homestead Act, according to which all free citizens who applied for 160 acres of land not yet worked from the territories outside the Thirteen Colonies would be granted; the construction of a transcontinental railroad; the National Banking Act, with which the use of the national currency was developed and the Law of Legal Course of 1862, which authorized the use of bank notes. Fees on income to finance the war were also approved with the Tax Act.
