Aliens.
(joking)
I don't think they were as separated as we moderns like to think.
Discussion
sailing across the atlantic doesn't require very advanced ships, for a start
Space AND time.
The similarities extend beyond the Abrahamic religions and Hinduism/Buddhism.
How so?
Religions of the ancient nords and ancient Egyptians have aspects of a “divine trinity”, and a son of God (or top God in polytheistic religions). I.e Odin - God the Father. Thor - God the Son. Freyr God the Holy Spirit. There’s also a trinity in Hinduism Ancient Greek and Ancient Egyptian religions but for the sake of trying to feed my daughter I’ll let you dig in. Full disclosure I am a practicing Christian but I enjoy reading into older religions.
I didn't understand the part about feeding your daughter. Dig in what way? I'm also a Christian.
Like I’m giving my 7 month old daughter a bottle right now and only have one hand to type. Lol. By digging in I mean look it up on the internet. Feel free to DM any time. I like talking about this stuff.