Answer:
The Portuguese sailors were one of the first people to explore west Africa.
Explanation:
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The stone processing was one of the biggest challenges. To make a pyramid everything had to be carved and shaped perfectly. They did not have a piece of advanced equipment for stone pounding and shaping, and yet they did it perfectly with the limited sources they had.
<span>The Helms-Burton Act punishes other countries for interaction with Cuba following the downing of two planes carrying members of anti-Castro organizations in the US. The Act opens up members of other countries to lawsuits and other problems for interaction with Cuba. The EU brought this issue to the WTO because they feel the US is exercising excessive control over interactions between other countries by controlling access with Cuba.</span>
Electric Light Bulb
Perhaps the most famous American inventor of all time is Thomas Edison.