What was life like for the families in the Nazi era during the years that they lived in the annex. Why did they choose to go into hiding here?

Because they thought they had a better chance of hiding without getting caught.

Explanation:

life for the Nazis was very terrible when they were in hiding. If they were found, then they would be dragged away in a concentration camps and separated from their families. It was a high chance that they would be killed just because of their religion Mitchell's to hide a Nexus because they had many other Jews living with them, so they knew that there would be little to no traitors in there. They all group together and stayed safe away from the Nazis, and alerted one another when a Nazi was near.

the arab empire adopted the muslim religion as their main belief. arabs would influence the people from the territories they invaded towards islam (the muslim belief).

nevertheless, throughout the history of the arab empire, rulers brought intellectual individuals from other religions to their centers of learning. these other foreigners included jews, christians, greeks, persians, and indians.   these resulted in the adoption of important knowledge developed by these cultures by the arabic empire. for example, the works of aristotle were translated from greek to arab and indian scientists brought the numerical concept of "zero" to the arabs.

nowadays, 93% of the arab population is muslim, which at the same time is subdivided in sects including the sunni, zaini, alawi, shia. the remaining 7% is composed mainly of christians.