Because of the vast new territories acquired from Mexico, and the debate over which of them would be slave and which would be free.
what were the issues that promoted sectionalism in the us
Sectionalism in the US increased in the late 1850s due to growing divides between the North and South over issues such as slavery, economic interests, and political power. The passage of the Kansas-Nebraska Act and the violent conflicts known as "Bleeding Kansas" intensified these tensions, as did the Dred Scott decision, which ruled that Congress could not restrict slavery in the territories. Additionally, the rise of the Republican Party, which opposed the expansion of slavery, further alienated Southern states. These factors collectively deepened regional loyalties and set the stage for the Civil War.
The US President in 1840 was Martin van Buren.
Sectionalism is loyalty to their religions and it hurt the US by the division (meaning different region) of the united states. Also, by all the different cultures in the united states.
green plant
Civil war
It was divided by different lifestyles and people.
was arizona part of the u.s in 1840
310,456,852
I believe Halloween began to be celebrated in the late 30s and the early 40s in the US.
about 1,500
26