Common Sense is the answer
employers used two tactics against works: yellow-dog contracts and blacklisting. Yellow dog contracts is an agreement between the worker and employer where the worker agrees to certain conditions of employment as well as to not be a member of any labor union.
1. MLK was a minister who believed in nonviolent protests
2. Malcolm X was a Minister of the Nation of Islam
3. Robert Moses organized voter registration campaigns
4. Stokely Carmichael called for black power.
The correct answer was to "facilitate"
During the nineteenth century, the congress used its powers to focus mainly in facilitating in social dealings between countries, domestic and abroad. Commerce refers to the exchange of goods and commodities between countries or different parts of the country itself, such as states.