The workers can be
protected by "trench box". Trench shields which are known as
Trench Boxes or Trench Sheets as well, are steel or aluminum structures
utilized for securing utility laborers while playing out their obligations
inside a trench. They are generally developed with sidewalls of changing
thicknesses held separated by steel or aluminum spreaders.
1925 to 1928, so three years
Affirmative action regarding minorities in society is an activity or arrangement supporting the individuals who have a tendency to experience the ill effects of segregation, particularly in connection with business or training; positive separation. The contention that individuals used to avoid governmental policy regarding minorities in society are it would abuse the objective of a making of partially blind society.
The answer is C. People who believed in Manifest Destiny believed it was their duty by God to spread democracy and Christianity.
Mounds were used to escape flooding