Name two organizations that fought to promote the cause of latino

United Farm Workers Organization Comitee and La Raza Unida.  

Explanation:

The Raza Unida Party is a Chicano (Mexican-American) nationalist group founded in the 1970s. It became well known in Texas and Southern California, calling to fight rising inequality in the Democratic Party.

The United Farm Workers of America is a labor union for farmworkers arosed from the amalgamation of the Agricultural Workers Organizing Committee (AWOC), headed by Larry Itliong, and the National Farm Workers Association (NFWA), commanded by César Chávez and Dolores Huerta. They decided on the union as a consequence of a string of strikes in 1965, generated mostly by Filipino farmworkers

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union blockade

explanation:

the union blockade in the american civil war was a naval strategy by the united states to prevent the confederacy from trading.

the blockade was proclaimed by president abraham lincoln in april 1861, and required the monitoring of 3,500 miles (5,600 km) of atlantic and gulf coastline, including 12 major ports, notably new orleans and mobile. those blockade runners fast enough to evade the union navy could only carry a small fraction of the supplies needed. they were operated largely by british citizens, making use of neutral ports such as havana, nassau and bermuda. the union commissioned around 500 ships, which destroyed or captured about 1,500 blockade runners over the course of the war.