What was the greatest cause of tension between the united states and the soviet union after world war ii?

Each country had a different economic system (capitalism in the USA and communism in the SU), which caused competition.

This competition led to military competition and a nuclear arms race, which was called the Cold War. The nuclear arms race became the greatest point of tension.

How did israelite political organization change furring the israelites' time in canaan?

As we already know the earliest israelites were herders and traders. They lived in canaan for 100 years until they had to keve do to a huge drought. At the time people were divided by tribes. The ten commandments helped shape the basic moral laws of many nations. It also instructed people not to murder, steal, lie, or be jealous. Also to honor your Mother and Father and be faithful in marriage.

I hope it helps, Regards.