| history(noun, time, trade, period, slavery) |
| slaveholding(noun, time, trade, period, history) |
| period(noun, time, trade, history, slavery) |
| slavery(noun, time, trade, period, history) |
| slavery era(noun, expression, time, trade, period) |
| trade(noun, time, period, history, slavery) |
| atlantic(noun, journey, water, way, course) |
| atlantic ocean(noun, journey, water, way, course) |
| stage(noun, place, point, way, location) |
| journey(noun, place, point, way, location) |
| course(noun, place, point, way, location) |
| sea voyage(noun, expression, journey, water, way) |
| middle(noun, place, point, way, location) |
| part(noun, place, point, way, location) |
| passage(noun, place, point, way, location) |
| path(noun, place, point, way, location) |
| way(noun, place, point, location, path) |