How to better take the ocean route of single-player game civilization 5? It feels very different from land.

Civilization 5: Fighting naval battles? No pursuit. . .

Ocean policy should be kind and commercial. Coastal productivity will be worse than land, but food and money will definitely be much more, so don't build productivity buildings in disorder.

Shops can be exploded in coastal areas, because the population is fast, and smiling faces hit Indianapolis with huge sums of money.

Just pay attention to sealing the sea when fighting. After declaring war, wait for the other side to land and strangle the other side in the water, no matter how many soldiers can't get through.