How did Congress attempt to maintain a balance of power between Northern and Southern states in the mid-1800s?

they would lose equality in the Senate. The North refused to enforce the Fugitive Slave Act. ... It created a dividing line between free and slave states.

Explanation:

Congress attempted to maintain a balance of power between Northern and Southern states in the mid-1800s  by keeping the number of free and slave states equal

Explanation:

nothing certain is known about what happened, but it seems that the country declined gradually, perhaps due to bad government, or, more likely, due to a series of bad harvests, which resulted in widespread and recurrent famine.

a change of venue is the legal term for moving a trial to a new location. a change of venue request because venue is improper means that the removing defendant believes that the case may not be in that venue because it is improper under procedural rules.