The correct answer to this open question is the following.
Although there are no options attached, we can say the following.
You did not mention any specific time in history, so we are going to assume that you are referring to the present moment.
The possible environmental hazards that were involved in crossing the ocean are the following. First, the oceanic currents, then the heavy storms and the huge weaves formed during storms in the sea. Bad weather is one of the most complicated things when sailing a ship in the ocean. Then, another hazard is thunder and lighting.
All of these hazards and environmental issues can affect the technology of the ship in the middle of the ocean. Navigation systems can be affected and communication systems can malfunction.
Answer:
Hernán Cortés fu un conquistatore ed esploratore spagnolo che sconfisse gli Aztechi e rivendicò il Messico per la Spagna. ... Cortés ha allineato strategicamente alcuni popoli nativi contro altri e alla fine ha rovesciato il vasto e potente impero azteco.
Explanation:
Since Robespierre was considered of high morality and virtue, your answer is virtue and goodness.
Hope this helps!
Easy
Roman: because they were the strictest military.
Troy: because the had the best defense