Why did the christians believe that jerusalem was controlled by infidels?

What is not related to the money supply during the gilded age

Can someone answer these question about vasco de gama for me: when? (when did he started his travel)from where & to where? (from where he was and then where he went to)motives? (what was his motives for traveling)accomplishments & discoveries? i will give you 15 star for answering all of these, you so much.

What was the policy of containment?