Answer:
A type of mechanical wave. The wave energy causes the matter in the medium to move up and down or back and forth at right angles to the direction the wave travels.
Explanation:
Answer:
The last emperor able to dominate the papacy, he was a powerful advocate of the Cluniac reform movement that sought to purify the Western church. Henry III.
It was mainly due to the Barbarian invasion of Western Europe. The western zone of the Roman Empire collapsed. A new system began to devlop: the Feudal System. The eastern part of the Empire lasted until 1453.
Answer:
Extensive highlands makes westward travel difficult. I think, not sure.
Explanation:
I believe your answer is Ukraine was created as a result of treaties signed following World War I