As part of the columbian exchange which three crops were sent to europe for the 1st time

Should the united states have continued to fight in the vietnam war after 1968?

Which of these is an exclusive power of the house of representatives? to amend a bill to impeach a government official to check the power of the president to review a tax bill the senate has proposed

What are consistent goals of u.s. foreign policy? equality between men and women education for all children life, liberty, and the pursuit of happiness spread of democracy and capitalism