Military leaders revolted, hoping to establish as fascist government i know this is late but here to help anyone else needing it
Delegated powers are p<span>owers that belong to the federal government alone.</span>
Impeding - to delay or prevent by obstructing it/them.
so your answer is B. Obstructing; slowing down.
Marie Curie was a physicist and chemist and a pioneer in the study of radiation. She and her husband, Pierre, discovered the elements polonium and radium. Together, they were awarded the Nobel Prize for Physics in 1903, and she received another one, for Chemistry, in 1911.