B. Native Americans. Spanish missions had Native Americans farm and build buildings
The Jews were taking over/ hurting the economy. He used this as a real issue (propaganda)
I don't know what "all other" factors could mean - since we don't know what factors have already been mentioned - but I assume that the pay and work conditions would be the same (those could be the "all other" here and the difference is Italy vs Germany/Belgium).
Generally, Italy is not a very likely destination for migrant workers, since it has recently been struggling economically. The payment, working conditions and work stability are likely to be better in Germany or Belgium, so if one can find a job, there, one is more likely to go to Germany or Belgium
Are happening in modern time
This increased the power of small West African Kingdoms like the Asante and dahomey kingdoms.
