Because the stamp act placed taxes on everything the colonists used.
A difficult political issue for the united states in the annexation of texas was slavery.
African American population grew tremendously in the 1850's due to southerners were migrating (moving) to texas with their slaves.
Hope this helps :D
because it is one of the best arming areas in the word yes
Other words that go with the same meaning of common knowledge include Ongoing, existence, widespread, popular, etc.