Messages were sent by an electrical telegraph operator or telegrapher using Morse code.
Answer:
The correct answer is option "A"
The outcome of the haitian revolution was due to the victorious haitian rebels who ended slavery and executed thousands of former slave owners.
The Haitian Revolution (1791 - 1804) was carried out by self-liberated slaves against French colonial rule in Saint-Domingue (now Haiti nation). This revolution was the only slave uprising that led to the founding of a slavery free state which became ruled by non-whites and former captives. The abolition of slavery in the French former colony which allowed haitians' independence from white Europeans challenged the European beliefs about the slaves' capacity to gain and maintain their own freedom.
Answer: Trade with India
Vasco da Gama was a Portuguese explorer. He is significant for being the first European to reach India by sea. The route da Gama discovered was also the first to link Europe and Asia by sea.
This was a significant discovery as it encouraged the establishment of the Portuguese as an imperial and colonial power in Asia. It also allowed them to trade with India without having to cross the Mediterranean or the dangerous Arabian peninsula.