Attributing to others the qualities or traits that are unacceptable to our own ego is best described as:

The answer to this question is Projection
One example of a projection is when we're working on a group project and it failed. Often times in this situation, each member of the group will start to point fingers and say something like 'this project is failed because you're too lazy'. While the truth is, the accuser is actually the one that's responsible but his/her ego prevent them from admitting the truth.

Abortion would be the most interesting topic to me

The correct answer is a. when they started making tools that will them in cultivating lands, they could raise crops and that made them attached to one place for a longer period of time. after that, they started domesticating animals and building their own permanent settlements that resemble the ones we have today.