Describe the benefits and costs of the mongol empire

Write a 1,200-1,800 word essay answering the TWO of the following questions with one reference demonstrating historical analysis. The topics do not have to necessarily have to relate to each other.
1. Describe the benefits and costs of the Mongol Empire
2. Why is it correct to consider this time an era of exploration and globalization?
3. What caused the rise of national monarchies in England or France or Russia?
4. What was the condition and role of religion and the Church during the period under consideration (think about Avignon papacy, the rise of piety, etc.)?