Answer:
Soon after California became part of the United States Gold was found in the region of California and resulted in the mass migration of the people to this region. This period was also called Gold Rush because of the rush Gold attracted to this region. It was estimated that around 300,000 people migrated in the hope of good fortune.
The answer is: Popular fashion concepts are established in Paris and New York before becoming popular elsewhere.
This because contagious diffusion refers to the spread of anything to multiple people whether it's ideas, beliefs, disease, etc..
Thus, things like fashion concepts are a prime example of a contagious diffusion since a fashion trend could start out in a place like Paris or New York and then spread throughout the whole fashion world influencing the direction of many fashion concepts and trends around the globe.
The surrounding land was severely deforested.
B.
Foreign conquerors forced the people to leave.
C.
Irrigation made the soil salty and unfit for farming.
D.
Disease reduced the population.
E.
Indus Valley populations migrated to Central Asia and Africa.
Answer:
A. The surrounding land was severely deforested , C. Irrigation made the soil salty and unfit for farming and D. Disease reduced the population. i think this helps.
Explanation: