1. ¿Quiénes fueron las primeras personas en crear una bicicleta y un tren? 2. ¿Qué significa wawawaa (jerga dominicana)?

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1. Who were the first people to create a bicycle and a train?

2. What does wawawaa (Dominican slang) mean?

d. migration

the conditions that made the byzantine empire vulnerable to attacks by the muslin turks were the sack of constantinople by western crusaders, the conquests of the sultanate of rum, presence of rival kingdoms and finally the set up of fiefdoms at the empire which were owned by the ghazis (turkish warriors).

answer: d. joseph james clark​

explanation:

it was on the rise and doing very well and would continue to do well until the great depression from 1929-1939