A couple of obstacles could include things such as
Before: - having to find the means to immigrate, so money, a way of travel, a way to bring their belongings etc - safety. some people trying to immigrate have to make sure they're safe to leave before they can due to some circumstances in certain countries
Upon Arrival- - finding steady work - the language barrier - being able to get basic necessities to live (a place to live, clothes, food, etc)
After immigration- - facing discrimination/racism - dealing with being separated from family in their native countries
Answer: The theory that the Americas were populated by humans crossing from Siberia to Alaska across a land bridge was first proposed as far back as 1590, and has been generally accepted since the 1930s.
New ventures is a product of two or more business ventures co ing together to form a single business venture, pulling their resources together in order to gain strength to achieve maximum productivity which one venture cannot achieve alone
