Yes. You must build them one after another though. You are not allowed to first build a road via a Road Building card, then build a settlement adjacent to that road by paying the required resources, and finally use the Road Building card once again, this time to build a ship.
It is up to you whether you want to take two resources of the same type or of different types.
That depends entirely on the respective scenario. In scenarios with foreign islands, each player who places his first settlement on a foreign island receives two special victory points (according to the reformed rule). This rule also applies if a foreign island consists only of gold fields.
Yes, if it is not prohibited by a scenario.
No.
No.
Yes.
At the beginning of the game, the robber stands beside the game board. As soon as the first “7” is rolled or the first knight is played, the robber is placed on any of the terrain hexes. Afterwards, he changes hexes as usual.
You can calculate the number of victory points according to the following formula: Number of terrain hexes (not counting deserts) divided by 2.
Yes.
No. You don’t lose the Longest Trade Route when moving one of your ships, provided that after its relocation your continuous trade route is at least as long as before.