There were two of them: the first was the Texas Revolution (1835-1836) and the other one was the Mexican-American War (1846-1848).
The first one had to do with the ban of slavery in Mexico, which wasn't followed by American immigrants in Texas. This prompted a successful revolution by Texian settlers. The second had to do with American ambitions in the west, specifically, to get California at all costs.
in 1830s and 1840s
The 1830s and 1840s was a time a struggle for Italian nationalism. The nationalist had a goal of uniting the country against socialism.
Migration began to increase.
Daniel Webster
The Age of Jackson.
This is a Photographic system in use durring the 1830s and 1840s
The reform activism are some of the things that influenced the American culture during the 1830s and 1840s.
Railroads started in America at this time.
nativists
Northern Woman
1830s to 1840s
independent and achieve unity