I believe that the primary reason was guns since the Incas were unarmed
Answer:
It is easier to travel because you only need a driver's liscense to travel domestically, but you need a passport to travel internationally. Also, the security lines are shorter if you travel domestically.
The industrial revolution led to the occurrence of modern globalization. Escalated production of household items in the industries, and an increase in the demand for such items due to increasing population, led to this revolution. This was followed by transport revolution, in which railroads were developed, and the development of international transportations also occurred.
