During the age of exploration.
In London, on the continent of England.
It is mars exploration which will take place untill 2025.
South America
on the African continent, more specifically the southern most part of that continent.
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Asia
The Great Age of Exploration also known as the age of discovery took place from 1400s to 1500s. Just so you know Spain and Portugal were the main countries to spark off this era.
Back then, people wanted power and land.
There are several and they all cross the continent. Which continent depends on which railroad you are referring to.
Mostly the European continent . (Warfare was not restricted to Europe.)
No. The Antarctic Treaty sets aside this continent as a continent for peaceful purposes.