The Crusades
These were a series of military campaigns by western Europe Christians in the high middle ages. the purpose was to liberate the holy land from Muslim occupation and rule.
A new plan of government (?)
Answer: Look it up on gogle
Explanation:
On gogle
Among the options provided the correct answer is B or Beta. Beta waves were found and named by the German specialist Hans Berger, who concocted electroencephalography (EEG) in 1924 as a technique for recording electrical mind action from the human scalp. Berger named the bigger plentifulness, slower recurrence waves that showed up finished the back scalp when the subject's eye were shut alpha waves. The littler adequacy, quicker recurrence waves that supplanted alpha waves when the subject opened his or her eyes were then named beta waves
