1405 Point

Beginning in the 19th century with increasing mining and agriculture upstream and urban sewage and runoff downstream the water quality of the Potomac River deteriorated This created conditions of severe eutrophication It is said that President Abraham Lincoln used to escape to the highlands on summer nights to escape the river's stench in the 1960s with dense green algal blooms covering the river's surface President Lyndon Johnson declared the river "a national disgrace" and set in motion a long-term effort to reduce pollution from sewage and restore the beauty and ecology of this historic river One of significant pollution control projects at the time was the expansion of the Blue Plains Advanced Wastewater Treatment Plant which serves Washington and several surrounding communities. Enactment of the 1972 Clean Water Act led to construction or expansion of additional sewage treatment plants in the Potomac watershed Controls on phosphorus one of the principal contributors to eutrophication were implemented in the 1980s through sewage plant upgrades and restrictions on phosphorus in detergents; !

Many national capitals are also the largest city in their respective countries but in many countries this is not the case, 1830 2,009,043 319,599 2,328,642 14% 12,860,702 18% Further information: Ancestry of George Washington and British America Main article: Assassination of Abraham Lincoln. During the mid-1780s numerous locations were offered by the states to serve as the nation's capital but the Continental Congress could never agree on a site due to regional loyalties and tensions. Proposed sites included: Kingston New York; Nottingham Township in New Jersey; Annapolis; Williamsburg Virginia; Wilmington Delaware; Reading Pennsylvania; Germantown Pennsylvania; Lancaster Pennsylvania; New York City; Philadelphia; and Princeton; among others the Southern states refused to accept a capital in the North and vice versa Another suggestion was for there to be two capitals one in the North and one in the South. On the Mexican side only 7 of the 19 states that formed the Mexican federation sent soldiers armament and money for the war effort as the young Republic had not yet developed a sense of a unifying national identity, Elbridge Gerry was a member of the Massachusetts Provincial Congress, In 2016 the District's Metropolitan Police Department tallied 135 homicides a 53% increase from 2012 but a 17% decrease from 2015. Many neighborhoods such as Columbia Heights and Logan Circle are becoming safer and vibrant However incidents of robberies and thefts have remained higher in these areas because of increased nightlife activity and greater numbers of affluent residents. Even still citywide reports of both property and violent crimes have declined by nearly half since their most recent highs in the mid-1990s.