The correct answer is <span>c. congress passed pro-union laws.
Unions were usually not supported by the congress because it was believed that unions could actually be political organizations and that they want to change governments. When the congress realized that they just want better working conditions, they started making acts that supported workers and many workers started joining unions.</span>
Subsistence crops are plants which are grown by farmers for themselves and their family, leaving little or nothing to be marketed for money. (ex. rice, corn, and milk.)
Subsistence farming is a farming system in which farmers focus on growing enough food to feed themselves and their family.
Plymouth......................