The Atlantic Ocean. Its the ocean that connects North and South America to Europe. Most early explorers came from Europe and "discovered" the Americas. The slave trade as well as spice trade used the Atlantic ocean because it's the most direct way from most of Europe.
The American continent was populated relatively recently: the man only appeared at the end of the Paleolithic. Between 50,000 and 12,000 BC reached the first people to the New World, and soon the whole American continent was populated by people.
From linguistic and archaeological studies indicate that the Mayans already around 2000 BC. one must have been recognizable culture. The ethnogenesis of the Mayas took place most likely in the Sierra de los Cuchumatanes in western Guatemala. Archaeology has shown that the Maya already from that time began to put down his buildings for ceremonial purposes. From this early time is not quite clear where the boundaries lie between the actual Maya and their neighbors, the Olmecs. The two cultures seem to have influenced each other. Eventually, the Olmec culture faded after its influence on the Yucatán Peninsula to have the current Guatemala expanded.
The correct answer is by becoming more active in addressing social issues than her predecessors
Eleanor married the rising politician, Franklin Delano Roosevelt, in 1905 and was completely involved in public service. When they arrived at the White House in 1933 as President and First Lady, she was already deeply involved in human rights and social justice issues. As he continued his work on behalf of all people, he defended equal rights for women, African Americans, workers in the era of depression, taking inspiration and attention to their causes. Courageously frank, she publicly supported Marian Anderson when in 1939 the black singer was denied use of the Washington Constitution Hall due to her race. Roosevelt ensured that Anderson would sing instead on the steps of the Lincoln Memorial, creating a lasting and inspiring image of personal prowess and human rights.
Most soldiers died from disease. poor sanitation, battle wounds :)