Okay kiddo, you know how America used to be controlled by Britain a long long time ago? Well, after a while, America didn't want to be controlled by Britain anymore and fought a big war for their freedom. But then, in 1812, America had to go to war again, this time against Britain.
Now, Indiana was a new state that was just added to America a few years before this war. It was a place with forests, rivers, and some small towns. When the war started, Indiana didn't have a big army, and so they had to ask people to join the army to protect their state.
Some brave men from Indiana joined the army and helped fight in different battles. One of the big battles was the Battle of Tippecanoe. It happened in 1811, before the war started, but it was a big deal because it was against Native Americans who were fighting with Britain. The Indiana soldiers, along with their leader General William Henry Harrison, won this battle and it made them feel like they could stand up to the British too.
During the war, Indiana was important because it was close to the Great Lakes, which were important for trading and moving things like food and supplies. So both the Americans and the British wanted to control Indiana and the Great Lakes.
The British even tried to attack Fort Wayne and Fort Harrison, which were important forts in Indiana, but the Indiana soldiers defended these forts and won.
In the end, the war lasted for a few years, but eventually, America and Britain signed a peace treaty, and the war was over. Indiana soldiers played an important role in keeping their state safe and helping America win the war.