A secondary source?
Not sure what you're asking for.
The answer is
Between 1790 to 1850 the U.S. was extended territorially. This transformed the borders of the world, where United States territorial boundaries were equal to the borders of modern states. The government of the United States believed that the expansion of the world westward, the more expansion the more prosperous the region.
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<u>House of Burgesses:</u>
helped established the government of Virginia
elected by male settlers age 17 and older.
<u>Mayflower Compact:
</u>
signed by 41 adult male settler
helped established the government of Massachusetts
<u>Both
:</u>
became a foundation for self-government in America