How do improvements in transportation affect trade?

They make it quicker and cheaper

Explanation:

The improvements in the transportation always have a positive effect on the trade. The reason for this is that the new improvements manage to make the transportation quicker, so the trade goods can reach their destination sooner. Also, as the transportation means are becoming more advanced, they are able to cover more distance for smaller expense, and they are also bigger, so more goods can be placed on them , and that leads to a cheaper transport, thus higher profit.

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering

a agree i agree becuase it is very importnat for example it can tlel you about your past for exmaple   the first culture was the semerians which people are sitll tryignt o uncover there secrets the wall is just anohter treasure that has thousnads of secrets in it to be uncovered