Define "hearts and minds" as it applies to vietnam war

From 1990 to 2008, by what percent did the world’s most developed economies cut their greenhouse gas emissions?

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

How does the supremacy clause of the u.s. constitution affect the states? o a. it requires each state to establish a supreme court. b. it declares that the federal government can take away state powers if necessary. o c. it allows state governments to overthrow the federal government if necessary. o d. it ensures that the u.s. constitution overrules each state constitution