What are the four main causes of the decline of Rome ? here I'll help
Overexpansion and military overspending.
Invasions by Barbarian tribes.
The rise of the Eastern Empire.
Economic troubles and overreliance on slave labor.
http://www.history.com/news/history-lists/8-reasons-why-rome-fell.
I believe the answer is <u>He popularized conservation and respect for natural wonders.
</u>
Hope I helped.<u>
</u>
The instrument they used is the astrolabe. A very awesome instrument.
Answer:
The emperor was given the power to veto the pope's appointment of bishops. Henry V was recognized by the church as the lawful emperor. The emperor recognized the church's authority to appoint bishops.
