Answer:
World War 1 was the first war in an industrialized age. New weapons and vehicles were used in this war that had never been used before. ... WWI was the first(and only) war in which poison gas was used. The first instance when poison gas was used in the Second Battle of Ypres.
Explanation:
The answer is Canal. Canals are human-made channels for water movement, or to administration water transport vehicles. In the vernacular, both are alluded to as 'trenches', and as a rule, the built works will have a progression of dams and bolts that make territories of the low-speed current stream. These territories are alluded to as 'slack water levels', frequently just called 'levels'.
Answer:
Lacking an effective opposition, the Democratic-Republicans split into groups after the 1824 presidential election; one faction supported President John Quincy Adams, while the other faction backed General Andrew Jackson.
Explanation:
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It is the "National Labor Relations Board" that acts as a mediator in disputes between unions and employers, since many people on both sides of the dispute often claim that the other side is acting unjustly, especially when it comes to negotiations.
