Why has the influx of immigrants to europe created challenges?

a. not enough food
b. immigrants may not have the skills necessary to find work.
c. they did not want to work in the factories

The influx of immigrants to Europe created challenges as they did not want to work in factories and always were keen on seeking a good life for them.

Explanation:

Before 1860, the American agricultural economy was present but after this time the agricultural economy changed to a new medium called the Industrial economy.Across Europe 55,000 agencies recruited temporary workers across countries and this included immigrants also.Employers outsource many workers and deepen their short term contracts.Due to this immigrants across countries working on temporary basis demanded good wages and incentives.Strikes took place due to this.

It shows that Charlemagne conquered a huge part of Europe

Explanation:

pretty sure I got it right on my test