<span>Herbert Hoover was appointed as the administrator of Food
during the Great War. His appointment was done by President Woodrow Wilson.
Herbert Hoover was serving as Chairman of the Commission for relief in Belgium
before he took charge of this post.</span>
<span>Later he also served as the 31st
president of the United States of America from 1929 to 1933.</span>
"to push for more rights and fairer laws" is correct if you're referring the period of the Civil Rights Movement in the United States. This was done through collective protests.