By about how many years did life expectancy increase in the US between 1960 and 2010?

The term globalization is best defined as: a. a reduction in the political and military power of imperial countries over their colonies. b. an increasing interaction among citizens and businesses of countries around the world. c. the spread of philosophies based on the right of all nations to political independence. d. the establishment of international laws protecting all people's human and civil rights.

Which form of government have the african nations had since independence?

What types of subjects did public high schools in the 1900s emphasize and why