Free African Americans in the North encountered which of the
following challenges?

Match each model with its name and the name of the scientist who created it.

What impact did company towns have on working conditions? company towns were ideal places to live because of the cheap prices of company stores. entertainment value in company towns made them attractions for those in rural areas. education provided by company towns workers to progress in the company. conditions in some towns indebted workers to trap them in the labor system.

Two types of resources are natural and human. true or false