Yes, almost every country in the world had cars by WW2.
All passenger cars
car manufacture was suspended during war
They were mostly used for the transportation of Jews to and from concentration camps during the Holocaust, which was during World War 2.
During World war 2 they used trains, trams, buses few people had cars as they were not affordable.
yes
No.
there werent enough cars and trucks
Cars
There were cars well before World War 2. Before World War 1 even.
Steel and labor were needed to support the war effort
yes
The automotive assembly lines were dedicated to the production of military vehicles .