Friction and mass would be the correct answers
During its almost 40 years as the head of the <em>AFL (American Federation of Labor)</em>, Samuel Gompers worked extremely hard for the cause of the labor movement, especially improving worker's rights and conditions.
Among the things he achieved leading the AFL, Gompers secured shorter working hours and lower wage for workers.
Answer is shorter working hours and lower wage for workers.
Natural resources of Africa. Africa has a large quantity of natural resources, including diamonds, salt, gold, iron, cobalt, uranium, copper, bauxite, silver, petroleum and cocoa beans, but also woods and tropical fruits. Much of its natural resources are undiscovered or barely harnessed.
Because it means laughing my butt off