The economy of the united states is a

democratic system
free enterprise system
confederate system
unitary system

What is the social order of the ancient river valley civilization of mesopotamia?

Mrs. walter’s husband died in 2016. she has not remarried and has maintained a home for herself and her dependent son, whom she can claim as a dependent. in the summer of 2018, the son was killed in an automobile accident. what is mrs. walter’s filing status for 2018

Me and i you plus a 5 stars and brainlist