The Iraq War did not end quickly because the U.S. Government specifically the State and Defense Departments did not have a clear exit strategy. Following civil unrest in Iraq as well as increasing attacks on U.S. soldiers and the newly formed Iraqi Government the U.S. Government was unable to withdraw quickly and suffered large casualties and expended hundreds of billions of dollars in resources.
William Tweed was the leader of Tammany hall who grew rich through corruption but did little to solve any of New York's problems.
The correct answer to this open question is the following.
What caused trouble between Virginia’s farmers and Native Americans was that Virginia colonists that were farmers took over more land to grow crops, mainly tobacco, and other colonists wanted to push their settlements forward in territories that Native American Indians considered of their property.
When Virginia Colonists Jhon Rolfe had success planting tobacco seeds from the Caribbean island of Trinidad, tobacco became the king of crops in the colony of Virginia and farmers needed more land to grow more tobacco.