They were confused.
Once Moses got the people freedom from Egypt, and during their wandering lives, they made idols to worship as the people they stayed with also worshiped idol gods.
Moses and the Israelites spent 40 years wandering in the wilderness, which comes to 14,600 days. Moses was an Israelite who was made a prince in the Egyptian palace, and later became a religious leader as well as a prophet.
The 40 days of the flood, and also 40 years of wandering in the wilderness under Moses.
Moses lived about 1360 years before Jesus. However, in spite of that distance in time - and death - Moses and Jesus met up on the Mount of the Transfiguration while Jesus was on Earth. You be the judge whether or not they 'lived' at the same time.
Moses died in the desert around 1450BC....he lived 120 years....40 years with Pharoah....40 years in the desert and 40 years wandering with the children of Israel....So the Red Sea was parted 40 years before Moses death or 40 years before Joshua took the children of Israel into the promised land.....So around 1490BC
They had to spend 40 years of wandering in the wilderness.
Moses led the Jewish people out of slavery and then informed people of the ten commandments that God gave to people. People then were able to realize that some of the things they were doing were sins and that they needed to repent and needed a Messiah for our souls, not just our time on earth.
Moses, now your people are free....
In Deuteronomy ch.32, Moses called out to the heaven and the Earth to bear witness to God's teachings to the Israelites.
Moses first led the people out of Egypt. He spoke to God on their behalf, he petitioned God for food then water. God spoke all His commandments to Moses concerning the people. In Numbers 16, Korah and 250 leaders rose up against Moses challenging his calling from God, The Lord caused an earthquake that swallowed Korah into the earth then fire to consume Korah's followers.
The Biblical Abraham is regarded as the founding patriarch of the Israelites whom God chose to bless, and to make into a blessing for all peoples on Earth. Moses, however, was born '''after''' Abraham died; Moses was most likely one of Abraham's descendents, not the other way around. Perhaps there's another Abraham son of Moses?
People mourned for Moses 30 days.