The Settlers III/Roman mission 2

The second roman mission is hard if you don't expand on the first and second island. Send food from the outpost to the main colony in return for soldiers. The food should go straight to your mines. Attack the Pirates (Yellows) first, using the new troops. Then use this land to build more farms and build more mines and residences. Remember to build a Winery and a Small Temple to upgrade your men. Gold also helps here. Look north of your outpost (or hopefully a large town) and use the troops from the main colony to attack the Romans to the north (Blues). Take note that you will need a large fleet of transport ships.