When Nick's mother was young, she took part in a movement to improve the living and working conditions of the working middle class. The movement fought against corrupt practices. When do you think the movement took place

The progressive Era (1890s - 1920s)

Explanation: The progressive Era took place between the late 1890s and the 1920s. It followed a period of economic change after the Civil War. As industrialization grew, so did many problems in the society such as absence of social services, increased poverty and mistreatment of workers.

The progressive movement covered social, political and moral changes that were pushed by several activists to address these problems. It fought against corruption, aimed to improve working conditions and get the public more involved in the process of choosing public officials.

the doctrine of nullification recommended that states living inside the union have the one-sided, inalienable ideal to void any law made by the national government that could be esteemed illegal.

the united states was shaped based on a general agreement among its individual states. hence, it is inferred that under the hypothesis of invalidation, since the states are the establishment of the union, they have the ability to referee and disprove unlawful laws.