From the perspective of european governments, what are the benefits of immigration?

Can someone me with this plz? ! i'm putting 20 points on it!

Why did the first fleet take the shorter route along the entire west coast of africa?

St. louis, missouri, and san francisco, california, both lie around 33° north latitude. st. louis is inland, while san francisco is on the coast of the pacific ocean. which statement about these north american cities would be true? san francisco will be warmer than st. louis in the winter. san francisco and st. louis will be about the same temperature year round. san francisco will be warmer than st. louis in the summer. san francisco will be warmer than st. louis year round.