<Tr> <Td> "</Td> <Td> The bill (to permit Puerto Rico to write its own constitution) merely authorizes the people of Puerto Rico to adopt their own constitution and to organize a local government...The bill under consideration would not change Puerto Rico's political, social, and economic relationship to the United States . </Td> <Td>" </Td> </Tr> <Table> External video <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Td_colspan="2"> Puerto Rico, U.S. Embassy in Vienna, October 24, 2014 </Td> </Tr> <Tr> <Td_colspan="2"> View newsreel scenes in Spanish of the Puerto Rican Nationalist Party Revolts of the 1950s on YouTube </Td> </Tr> </Table> <Tr> <Td_colspan="2"> Puerto Rico, U.S. Embassy in Vienna, October 24, 2014 </Td> </Tr> <Tr> <Td_colspan="2"> View newsreel scenes in Spanish of the Puerto Rican Nationalist Party Revolts of the 1950s on YouTube </Td> </Tr>

When did puerto rico became a state of the usa