What role did mercantilism play in the way european countries dealt with their colonies?

Need on these last 2 questions on my social studies homework 5 and 6 then i’m done with the homework

The government used a controversial bailout program to a. homeowners struggling with mortgage b. foreign banks overload with that c. automakers on the verge of collapse d. construction companies losing jobs

Why was it difficult fpr unions to succeed in the 1800s