Answer:
the unjust or prejudicial treatment of different categories of people or things, especially on the grounds of race, age, or sex.
Answer:
They financed great works of art and sponsored individual artists.
The Medici's sponsored such great artists as Michael Angelo, which allowed them to create their works.
One problem for the social security system is that there's more and more older people and fewer young people, so if they massively retire, there won't be enough workers to keep the social security system working because not enough taxes will be paid. A possible solution can be an increase the the obligatory retirement age. This would mean that people would work longer before retiring so they would use less social security money.
They didn't have the military power to defend themselves.
30. A 31. B 32.B 33.A 34.C (i believe not too sure tho) 35.A