Answer:
I think they make U-shaped valleys but I don't know if there is a specific name for it
Explanation:
Answer: The system of cooperation known as feudalism ended around the 15th century
Explanation:
Protecting citizens against foreign and domestic terror and threats
Barack obama would be the answer i hope this helps. have a great day
Answer:
The coal-fired steam engine was soon developed. It became the key technology of the Industrial Revolution. In preindustrial Europe, water power was widely used as a source of energy. By the late 1700s, however, steam engines had been perfected
