How did europeans use social darwinism to justify empire building? (2)?

What was gained through the gadsden purchase

Which purposes of the constitution are found in the preamble? select the six correct answers. to provide for the common defense to form a more perfect union to promote the general welfare to secure the blessings of liberty to declare independence from britain to establish justice to ensure domestic tranquility

Which economic sector employs the least number of people in mexico, barbados, and venezuela? a. agriculture b. services c. industry