Answer:
Option B. An increase in immigration
Explanation:
Cosmologists :)
Oceanographers study the ocean, meteorologists study the weather and geologists study rocks.
Because they reflect historians points of view most important events. Hope this helped <3
The modern development of today's world would have first made the routes safer. Today we have the safety of common things such as police officers, hospitals, e.t.c. Transportation of goods would have been easier, and it would have been easier to carry larger amounts of goods at one time.
hope this helps :)
