What resulted from European trade with other nations?

Triangle trade allowed for Europe's economic development in many ways. Trade with Africa and the Americas allowed for increased access to raw goods and the growth of the shipping industry, which in turn led to additional jobs for Europeans.

Explanation: Triangular trade benefited European nations because it opened new markets for their own goods while also enabling them to obtain trade commodities that could be exchanged for goods produced in the West Indies.

a historian researching the immigration policies of the early 1900s would expect a source written today,rather than in 1910 to :

( a ) be more interested in objective data and statistics.