Why was it so difficult to get congress to agree on a route? the country couldn’t afford the high cost of building the railroad. there was no practical route across the country. congress couldn’t agree on where the railroad should begin in the east.

“Congress couldn’t agree on where the railroad should begin in the East.” Hope this helps!!

i am pretty sure the awsers is d.

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering