Answer:
Civil Service Act
competitive examinations
Explanation:
The Civil Service Act of 1883 presents the federal vision to guarantee federal jobs on the basis of merit. This act has replaced the spoil system in which the job of federal employees were depending on the loyalty towards the political party. A new system of competitive exam ensured that jobs of federal employees no more depend on the political leaders.
It seems like B is the most likely answer, considering it's really the only one that applies to democracy.
It would interfere with their trade alliances.
Communism leads to the government taking control of resources and industry. If it spread into areas the US did business, they could lose the ability to control resources and trade. This would eventually impact our political power and any military advantages the US had in Europe.
Slave labour was restricted largely to domestic service. Rural wage rates were depressed owing to the caste system and the “village community” mechanism. In the city, the monopoly of resources by the ruling class necessarily depressed wages through the market mechanism itself.
The answer is the appeal of Hitler and the Nazi Party. Hitler made promises to the people that gave them new hope in the face of the economic crisis. His Nazi Party used propaganda and the media very carefully. This attracted people to their ideals. Therefore, the Nazi Party and Hitler became popular due to their appeal.