 
 <prompt> ```When di Romans upgrade dia fleet? Based on di previous question, write one context wey contain di answer. E fit be 1 - 20 sentences. Context:``` <response>: After e don reduce for size afta dem conquer the Mediterranean, di Roman navy come get small upgrade and revitalisation for late Republic to meet new demands. Under Caesar, dem gather invasion fleet for English Channel to allow invasion of Britannia; under Pompey, dem raise big fleet for Mediterranean Sea to clear di sea of Cilician pirates. During di civil war wey happun, as many as one thousand ships either dey construct or press into service from Greek cities. 