Why might a citizen join a political party

Doing so allows them to vote in a closed primary

Explanation:

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"a shortage of traditional labor created new opportunities in the workplace. a major cause of the internment of japanese americans during world war ii was. racial prejudice. in the early 1940's, the "destroyers-for-military-bases deal" with great britain and the lend-lease act were evidence that the united states."

by 1880, germany had more rail lines than great britain and russia.