<span>Nationalism led to arrogance among the citizens of various nations by promoting a sense that people of a particular country were superior to those of other nations and by giving people the impression that they could win any war thanks to their togetherness. Other factors that contributed to causing World War I include imperialism and militarism.</span>
Answer:
The tremendous gains labor unions experienced in the 1930s resulted, in part, from the pro-union stance of the Roosevelt administration and from legislation enacted by Congress during the early New Deal. The National Industrial Recovery Act (1933) provided for collective bargaining.
Explanation:
