The interaction between two objects that have mass is called what force?

What was the midwest states often called because they were located in the center of the nation

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

What is the difference between the idea of stare decisis and something being constitutional?