Parkdale grange hall. Parkdale is an unincorporated community in Hood River County, Oregon, United States. For statistical purposes, the United States Census Bureau has defined Parkdale as a census-designated place (CDP). The census definition of the area may not precisely correspond to local understanding of the area with the same name.
Westward Expansion summary: The story of the United States has always been one of westward expansion, beginning along the East Coast and continuing, often by leaps and bounds, until it reached the Pacificâwhat Theodore Roosevelt described as the great leap Westward..
The Westward Expansion really started in 1803, when Thomas Jefferson sent a secret message to Congress proposing expansion west of the Mississippi River. The idea was to send a small expedition to chart the area, but it had to be secret because France owned the land.This proposal led to the Lewis and Clark expedition.Answer #2). The idea of expansion out west started with the Northwest Land Ordinance which gave the U.S. such states as Ohio, Indiana, and so on.