Describe and explain cultural developments in three time periods

Globalization. 
Describe how America’s connection to the rest of the world has become increasingly important in the last three decades. In what ways has our country been influenced by world events? In what ways has our country sought to shape world events? Do you think these trends are new or really a continuation of earlier trends?
Environment. 
how has our relationship to the natural environment changed in modern America? Examine developments in various chapters, such as agribusiness, urban growth, early conservation efforts, automobiles and consumer culture, the CCC, highways and suburbs, Environmentalism, legislation in the 1970s, and global efforts.
Culture. 
Describe and explain cultural developments in three time periods. You may discuss the influence of immigrant groups, artistic developments, TV, counterculture, or other phenomena that have shaped American culturally. Has our culture changed radically or evolved gradually?