200 BCE to 500CE it was called the Golden Age
Answer:For example why hunter-gatherers first began farming, and how were crops domesticated to depend on people. ... Instead, any changes in vegetable seed size must have arisen from natural selection acting on these crops in cultivated fields, or from genetic links to changes in another characteristic like plant or organ size.
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These challenges were mostly about the war of 1812. Domestically he had to lead the country against enemies since the war was fought on American soil and the enemies were British soldiers. When it came to foreign policies, he managed to repeal the embargoes on trading with the US for all countries except Britain and France which enraged the two. At home, he also had issues with Native Americans whom he wanted to protect from people who wanted to settle their lands.
The Titanic was in fact called "the unsinkable ship".
The Titanic was the biggest and most luxurious passenger ship, whose construction finished in 1909. It was designed to include the latest technologies in terms of safety. Its double-platted bottom was divided in compartments, and each compartment had doors that would close if water had entered inside, so that the flooding could be isolated in a single section and the ship could remain afloat.
