Answer:
1. It caused economic hardship in the empire
2. Magellan sailed east around Africa to reach the Pacific Ocean.
3. Europe
4. astrolabe
The mongols restricted trade from foreign places, and the Mongols had a more favorable attitude toward merchants and commerce — their nomadic way of life, which is much reliant on trade with sedentary peoples, had caused them to recognize the importance of trade from the very earliest times. Thus, the Mongols worked to improve the social status of merchants and traders throughout their domains.In particular, the Mongols initiated the Ortogh, or merchant associations, that helped merchants who were in the business of long-distance trade. They also increased the availability of paper money and reduced some of the tariffs imposed on merchants. The result was an extraordinary increase of trade across and throughout.
The correct answer is customs.
Customs refers to the social thought that portrays a customary, designed method for carrying on that is viewed as normal for life in a social framework. Shaking hands, bowing and kissing are on the whole traditions. They're methods for welcome individuals that assistance to recognize one society from another.
It exists because the older generation don’t like the educate their children but instead like to pass on their negative and false views.
We would need to know the choices to provide an answer.