Answer: Hahhahahahahha what.....
By 1838, all of the following Central American countries became sovereign republics except El Salvador. The correct option among all the options that are given in the question is option "b". The country of El Salvador got its independence in the year 1841. The other countries in the question had already got their independence by 1838.
National unions differed from local unions in that national unions represented the interests of laborers and workers from all over the country, as opposed to a specific region.
