<span>D.by using land speculators as brokers between the government and Native Americans</span>
Generally speaking, World War I made the American people even more bitter and isolationist leading up to World War II--since many felt that American lives had been wasted in a European conflict.
The agency that influences the<span> electrical power production of the area that is specified by the question given would be the National Labor Relations Board or most commonly known as the NLRB. In addition, the primary roles of the NLRB is to regulate and oversee the employer and labor union relations.</span>