1. malaria 2. rivers had terrible waterfalls..too dangerous...until the steam engine was invented it was incredibly dangerous 3. deserts....they didn't know how to travel through the deserts and find an oasis which made it very difficult to travel through
The answer to this question is B. This resulted in a rise in socialist and anarchist movements.
The German government issued The Sussex Pledge that basically told the U.S. that they were going to change their policies on navel war.
The correct option is c. the need for additional smaller ships to defend them.
The painful changeover was brought on by Britain's lack of oil reserves, according to Gray. With it, Britain acquired the majority of the Anglo-Iranian Oil Company, ushering in a new era of "petro-politics." The Spanish-American War of 1898 caused the United States Navy to reconsider utilizing coal as fuel. Coal-fired warships had to engage in combat for the first time far from the continental coasts. Despite American wins in Santiago de Cuba and Manila Bay in the Philippines, severe strategic lessons concerning refueling coal-powered warships were discovered.
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Answer:
His first step on the moon was a great individual achievement even though it looked like a small thing.
Explanation: because it tells us that we are making huge progress for humankind.