Okay kiddo, listen up! A line regiment is a group of soldiers who work together to fight in battles. They usually have a special job or position that they fill, like shooting guns or protecting others.
Think of a line regiment like a sports team. Each player has their own position on the team and they work together to win the game. In the same way, soldiers in a line regiment work together to protect their country and win battles.
Just like in a sports team, the soldiers in a line regiment have to practice a lot and work together to be the best they can be. This helps them be prepared for any challenges they might face during a battle.
So, in short, a line regiment is a group of soldiers who work together to fight and protect their country. They are like a sports team with different positions, but instead of playing a game, they are defending their country and lives.