Because the power was limited, as the Nazis were just one party coalition government
Chinese Exclusion Act. The Chinese Exclusion Act of 1882 was the first significant law restricting immigration into the United States. Those on the West Coast were especially prone to attribute declining wages and economic ills on the despised Chinese workers.
Federalism because Amendments are proposed at a federal level and is ratified at a state level. Why have only 27 Amendments been added to the Constitution? Because of Informal Amendments and how easy it is to informally amend it rather than formally.