The discovery of a sea route from Europe to Asia decreased human traffic on roads.
What the effect

ExplanatioEl proyecto para encontrar la ruta marítima a la India fue ideado por Juan II de Portugal como medida para reducir los costes de los intercambios comerciales con Asia, en un intento de monopolizar el comercio ... y doblar el cabo de Buena Esperanza lo que daba pie a una conexión marítima entre Europa y la India.n:

was a long, primarily nonviolent series of events to bring full civil rights and equality under the law to all americans. the era has had a lasting impact on united states society, in its tactics, the increased social and legal acceptance of civil rights, and in its exposure of the prevalence and cost of racism. in the south violence and fraud in southern elections from 1868 to 1876, which had reduced black voter turnout and enabled southern white democrats to regain power in state legislatures across the south

the most famous of all the units fighting in cuba, the "rough riders" was the name given to the first u.s. volunteer cavalry under the leadership of theodore roosevelt. roosevelt resigned his position as assistant secretary of the navy in may 1898 to join the volunteer cavalry. the original plan for this unit called for filling it with men from the indian territory, new mexico, arizona, and oklahoma. however, once roosevelt joined the group, it quickly became the place for a mix of troops ranging from ivy league athletes to glee-club singers to texas rangers and indians.