cuales son las normas de la comunidad de y quien es katie por que ya me borro una pregunta y una respuesta y no se por que

Which best describes why it is necessary to evaluate a solution?

In russia, after the soviet union collapse, influential retained power by acquiring large numbers of , so the ruling class gained power in place of power.

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