Nationalism affected Europe during the 19th century by making Europeans feel superior to other countries and governments, which led to the unification of both Germany and Italy, with Russia moving towards modernization and with France moving towards liberalism.This sense of superiority led to a stronger sense of unity between the peoples of each country and to a desire for increased military power which then,in turn, led to an alliance system between the European nations.
Answer:
The guiding principle of Roosevelt's square deal is that Roosevelt would treat Americans with fairness and respect.
Explanation:
"Roosevelt would treat Americans with fairness and respect."
<span>In 1937 Roosevelt announced a controversial plan to expand the Supreme Court to as many as 15 judges, allegedly to make it more efficient.</span>
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He believed the American people would have more money to spend so it would stimulate the economy. He stood for tax cuts to give Americans back their money.