Question

What was the significance of the 36° 30' line?

It divided the territories between the U.S. and Britain.
It set aside the Native American territories.
It was the northern border of Missouri.
It was the dividing line for slavery and free in future states.

Answer 1

It emancipated Missouri-born slaves.

Step-by-step explanation:

What would be the long-term effect of the failed Tallmadge Amendment? It emancipated Missouri-born slaves. Slavery would be prohibited in the Louisiana Territory.

Answer 2

It was the northern border of Missouri