1. The rulers who came to power after Charlemagne failed to defend the empire.
2. Europe was threatened by Muslims, Magyars, and Vikings in the 9th and 10th centuries.
Answer:
Cross-Sectional Research Method
Explanation:
Cross-Sectional Research Method often referred to as cross-sectional analysis, is a form of research study, in which the researcher gather data to make deductions about subjects or population of interest at a particular point in time. It is conducted such that, a researcher might gather data from selected groups of different age, class or level at one point in time. Thus, deductions or inferences can be made based on the age, class or level differences rather than things that occurred over a time.
Hence, Max is considered to be using Cross-sectional research method, since he is using population of different groups based on age to conduct research or gather information.
The three features are (1) citizens’ political actions are driven by their opinions, (2) public opinion helps explain the behavior of candidates, political parties, and other political actors; politicians look to public opinion to determine what citizens want them to do, (3) public opinion can also shed light on the reasons for specific policy outcomes.www.wwnorton.com/college/polisci/american-politics-today2/full/ch/.../outline.aspx
thought it was unconstitutional and argued against it,
Islam spread through military conquest, trade, pilgrimage, and missionaries.
Arab Muslim forces conquered vast territories and built imperial structures over time.
Most of the significant expansion occurred during the reign of the Rashidun from 632 to 661 CE, which was the reign of the first four successors of Muhammad.
The caliphate—a new Islamic political structure—evolved and became more sophisticated during the Umayyad and Abbasid caliphates.
