What purposes do crossing over and independent assortment play in cell division?

Crossing over happen when prophase I of meiosis I. It involves the exchanging of genes between the non-sister chromatids of homologues which allows the novel mixture of maternal and paternal genetic material with new, recombining chromosomes. Chromosomes maternal and paternal chromosomes line up during. Certainly, it is complete not chosen which sperm fertilizes which egg which creates even more potential variation in the offspring.

I believe the answer is: Prices for goods and services increased, and a dollar bought less than it previously had

In the 1970s, united states was experiencing a period of economic stagnation which later known as called the great inflation of the 1970s.

During this period, the number of unemployment skyrocketed and the value of our currency fall dramatically, which caused an increase in overall products and less amount of products it can obtain with previously same amount.