The correct answer to this open question is the following.
Although there are no options attached, we can say the following.
In the years leading up to the War of 1812, some Americans thought that Britain was supporting Native American Indian tribes in the West to make them their allies in a possible and future war against the United States
in the years leading up to the War of 1812.
The War of 1812 started in June 1812 and ended in February 1815. The reason? Issues that could not be resolved after signing the Treaty of Paris that ended the Revolutionary War of Independence. The most notable problems that led to the War of 1812 were restrictions on trade and the impressment of United States sailors by British ships.
The war ended when both nations signed the Treaty of Ghent, in Belgium, after another round of pain and destruction for both nations.