Four social issues that could lead to social injustices

Social injustice issues would be things like unfair labor practices, racial discrimination, discrimination due to gender, orientation, ethnicity, age. Also, the death penalty, inequality of health care, public school quality in poor income areas, etc.

Hope this helps!

the president has the power to appoint federal judges, ambassadors, and other "principal officers” of the united states, subject to senate confirmation of such appointments.

probably 3 since archeologists and historians don’t understand there writing.