A primary source of anything is a first hand account be it a diary, eye witness account, the person must have experienced it themselves while a secondary the information could have been passed on for example a news paper or memoir on someones life.
<span> The motion picture was invented in the </span>1890s<span>, when motion picture cameras were invented and film production companies started to be established.</span>
The march primarily focused on gathering support from rural communities which had a high population of Mexican farmworkers. Not only would this march serve as a protest against Reagan and his discriminatory views against Chicanos, but also to garner support for La Raza Unida Party to be on the ballot.
The answer should be North East Asia