Answer:
Option: A. Spain and Portugal form the Iberian Peninsula
B. The English channel helped protect the island nation of Britain from invasion.
Explanation:
The Iberian peninsula is in southwest part of Europe, which occupies Portugal and Spain.
Hitler zeal to invade England in 1940 was not accomplished because of this channel and the weak navy forces. In history, the English Channel has protected Britain from the invasion by the Dutch, Spain, Belgium and Napoleon during the Napoleon War.
Two of the issues that made it difficult for explorers during Columbus's time to explore unknown territory by sea were; inaccuracies of navigational tools made exploration by sea inconsistent and unpredictable and explorers had limited knowledge of the world’s geography.
Further Explanation:
During Columbus's time of exploring the sea was the best way to travel. The governments wanted to explore so they could use the sea for trade routes and commercial operations.
In addition to the answers above, other things that made exploration difficult during this time were;
- early technology used was imprecise such as "dead reckoning"
- the seas were challenging and inconsistent since they were uncharted
- navigators could become lost
- the financial risks were too high if the navigators and ships were lost
When Christopher Columbus did find America it was not intentional, he was actually going to Spain but he did not have the tool or the knowledge to get there and ended up going the wrong direction.
Learn more about exploration during Columbus's time at brainly.com/question/747318
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Stop the spread of communists
He missed the Great Depression which started in 1929