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In 1981, the city council of Hammond, Indiana, constructed a barrier or dike where 165th Street meets the border of Gary, to keep toxic flood water out. Originally intended as temporary, the barrier sparked years of controversy between then mostly-White Hammond and mostly-Black Gary. The barrier remains there to this day.
The barrier erected between the United States and Mexico cuts through and/or affects at least 29 Indigenous tribes, which include Kumeyaay Nation and Tohono O'odham. [ 1 ] Increased efforts by the US government at border control, beginning in the 1980s, and the construction of a physical border wall, beginning in the 1990s, along the US-Mexico ...
Barrier troops, blocking units, or anti-retreat forces are military units that are located in the rear or on the front line (behind the main forces) to maintain military discipline, prevent the flight of servicemen from the battlefield, capture spies, saboteurs and deserters, and return troops who flee from the battlefield or lag behind their units.
In the mid-1990s, the state revived the proposal, calling it the "Heart of Illinois Freeway." A few alternatives were selected, among them the Illinois 6 to Interstate 180 connection. [29] In late 2000, the state decided to proceed with the 6/180 connection but ran into opposition from farmers and withdrawn support from political leaders.
Various sources reported that for several weeks, the Egyptian government had refused to allow either Gazans or foreign nationals to exit Gaza via the Rafah crossing, [55] [56] despite intensive international efforts to secure a window of time for the Rafah crossing to open to foreigners who want to exit the Strip.
In parallel computing, a barrier is a type of synchronization method. [1] A barrier for a group of threads or processes in the source code means any thread/process must stop at this point and cannot proceed until all other threads/processes reach this barrier. [2] Many collective routines and directive-based parallel languages impose implicit ...
A shooting in a Nashville high school cafeteria Wednesday left a female student dead and another student wounded, nearly two years after another deadly school shooting in the city that ignited an ...
Barrier thickness may be computed in polynomial time by constructing the arrangement of the barriers (the subdivision of the plane formed by overlaying all barrier boundaries) and computing a shortest path in the dual graph of this subdivision. [1] The complexity of barrier resilience for unit disk barriers is an open problem.