After the colonial army victory at Saratoga, the British worked to bring the south under their control.
Recruited British loyalists to strike at the local patriot militias. Patriots near the frontiers rose up against the British led loyalists in bloody battles away from coastal strongholds.
The answer is B. Railroad
The fourth option is the right one. The Swahili city-states grew during the second half of the first millenium thanks to the intense trade activity in the Indian Ocean, <u>India and China had been important trade centers since antiquity and a great trade network had been built over the centuries</u>. Besides the connections between coastal cities of the Indian Ocean, in it's northern part, by the coast of Persia, passed the Silk Road, the trade route that connected Europe to China throughout the Middle Age.