Which of the following was a tactic that companies used to hurt unions

Hiring Scabs

- Scabs was the name for union members who refuse to go out on strike or workers who are hired by businesses to replace striking workers.

answer: this is because archeologists keep finding artefacts and ancient ruins dated more than 10000 to 15000 years, date around scientists said humans discovered language; which is at least mysterious as scientists always have said that is necessary to have a language to have architecture and some basic maths.

explanation: brainlest

impeachment is when a president is committing treason or doing shading acts while in presidendcy therfor he can be impeached   by congress