<span>In the 1900s, the UMWA was culturally and historically significant because it was a segregated organization. It was a separate entity and was not dependent of any other organizations. They were independent and had their own leaders. They negotiate with the coal mining companies regarding right practices and benefits for the employees. </span>
The answer is c. The number of different times zones in the United States
When does she go to school?
Suddenly =adverb
Became=verb
Sad=adjective