The idea of the us gaining all land from one seaboard to the other is called manifest destiny the us gained these lands through several different purchases, annexations, and agreements such as the annexation of texas the treaty to give the us land in oregon below the 49th parallel and so forth.
Many politically active artists worked for the New Deal projects. United by a desire to use art to promote social change, these artists sympathized with the labor movement and exhibited an affinity for left-wing politics ranging from New Deal liberalism to socialism to communism.
Answer: Advancements in household technology
Increased life expectancy for women
Development of the service industry
The Finland in the west to Siberia's Pacific Coastline to the east.