When particular countries’ armies are expanding and taking land from other countries, it is useful to create outposts or bases for defense to protect the soldiers from attack. Leaving yourself without a way to defend against a local force would be very dangerous and could lead to large losses and defeat.
Roman armies were highly adept at creating defensive positions when marching in foreign lands. They created forts to protect them from attack. For makeshift bases, these forts were sometimes quite elaborate and impressive.
Some of the base types you might find throughout history include:
Forts: Sometimes temporary in the case of marching armies, or more permanent places of residence. These forts were common in both ...