[17 points] I NEED URGENT HELP! QUESTIONS 1-6 (EXCEPT FOR 2)

1. The modern calendar uses natural intervals to allow everyone agree on the same time/ date. It is defined by the motions of Earth and the moon (sometimes even planets) The period of rotation of Earth; the day. The month is based on the cycle of the moons phases around the earth. The year is based around the earth’s revolution around the sun.

The investiture controversy began as a power struggle between pope gregory vii (1072–85) and henry iv, holy roman emperor (1056–1106).[2] a brief but significant struggle over investiture also occurred between henry i of england and pope paschal ii in the years 1103 to 1107, and the issue played a minor role in the struggles between church and state in france, as well.by undercutting the imperial power established by the salian emperors, the controversy led to nearly 50 years of civil war in germany, and the triumph of the great dukes and abbots. imperial power was finally re-established under the hohenstaufen dynasty. historian norman cantor:

Ibelieve the answer is c