Which statement best describes how machine guns were used during world war i?

The statement that best describes how machine guns were used during World War I is to defend territory. The soldiers were attempting to safeguard their land from the contradicting side. They were slower and took more time to reload then than now. Their assault rifles bolted into the ground, yet our own can be hand-held.

Social darwinism refers to the the theory that people who succeed in our economic system will one day out compete those who fail. one day the rich will out succeed the poor so we'll that there will eventually be no more poor