Which type of tax provides income for retired and disabled people and their families?
a. social security tax
b. medicare tax
c. property tax
d. income tax

Social Security tax provides income for retired and disabled people and their families. Option A is correct.

A Social Security tax is the tax levied on employers and employees in order to to fund the Social Security program. Social Security tax tends to be collected as payroll tax or self-employment tax. The Social Security tax pays for the retirement, disability, and survivorship benefits received by millions of Americans each year.  

im not sure

step-by-step explanation: s

the correct answer is "c: merchants" and "e. soldiers".

the song dynasty was known as the first government in the world to introduce paper currency. it was also the first chinese government which established a permanent standing navy. finally, the first compass was introduced during this period of government.

all of these innovations heavily affected commerce in a positive way. printed money dynamize commerce within the borders of the empire due to an easier way to quantify value during the trade. the introduction of the compass trade routes to be faster. finally, the introduction of a standing navy regulate trade routes.

regarding military affairs, gunpowder was created during this period. this was a tremendous improvement that was widely utilized by the military in order to innovate in the manufacturing of weapons.