The main reason why external criticism is so important when it comes to analyzing data is because as the handler of the data yourself, you can quickly develop a bias and "expect" a certain outcome, which might affect your analysis.
Probably that alot of people travel in and out of france spreding colds, sicknesses and infections
Answer:
1.Vikings terrorized continental European coastlines with raids and plundering. Normans instead settled their conquests and cultivated land.
2. 1) it became harder and harder to find people to plow fields, harvest crops, and produce other goods and services.
2)Peasants began to demand higher wages
3)In 1360, punishments became worse. Workers who demanded higher wages could be sent to prison and if they escaped branded with the letter “F on their forehead.
Explanation:
Answer:
He opened a school and created new sciences.
Explanation: