There are many landforms that can prevent expansion- bodies of water, mountainous terrian, and a desert are some examples.
The Jackson Era set the Executive Branch on an equal footing with Congress in terms of power and ability to shape law and government policies
They were military units made up of volunteers from different countries. They traveled to Spain to fight for the Second Spanish Republic. It was during the Spanish civil war
Answer: the helots, formed major labour force for farming.
Explanation:
