How did immigrants from britain’s colonies the united kingdom’s economy?

Due to cheaper labor, they contribute to lower prices in the industries

Explanation:

Unauthorized immigrants create demand for goods and services while an estimated 50 to 75 percent pay taxes. Due to cheaper labor, they contribute to lower prices in the industries where they work, such as agriculture, restaurants, and construction.

migration is beneficial both to the receiving and sending countries. ... According to Branko Milanovic, country of residency is by far the most important determinant of global income inequality, which suggests that the reduction in labor barriers would significantly reduce global income inequality.