Answer:
Negative effects of the Mongol Empire's expansion into Western europe, East Asia, include the wiping out of people that resisted given the violent nature of their invasions.
Positive effects include a century of peace those under under Mongol rule. This stability allowed for the reopening of the Silk Road trading routes between China and Europe, increasing cultural exchange and wealth all along the trade paths including Western Africa, East Asia and Europe.
Answer: Predictive validity
Explanation: Predictive validity shows the extent to which a score on a scale predicts scores on some criterion measure. For example, the validity of a cognitive test for job performance is the correlation between test scores and the performance rating of the supervisor.There are four types of validity, they are face, construct, content, and predictive validity inclusive.
C- a universally free voting system
In its most basic definition a democracy is a government by the people, for the people. A voting system or elections give people the opportunity to voice their interests about things like representative officials, policies and budgets. Voting is one of the most important characteristics of a true democracy.
