Q. Colonial protests and boycotts against the Stamp Act eventually led to the Boston Tea Party. False, it led to Parliament's decision to repeal the Act. Q. The taxes imposed on the colonies to help pay for The French and Indian War was a major cause of the eventual American Revolution.
Impeding - to delay or prevent by obstructing it/them.
so your answer is B. Obstructing; slowing down.
"After President Nixon ordered the U.S. military to stop spraying Agent Orange in 1970, this is the site where all the Agent Orange barrels remaining in Vietnam were collected. ... Based on their research, Olson and Wright Morton recommend incineration of contaminated soils and sediments at the Vietnam airbase hotspots.