Samuel Morse was knowed by B. Inventing the telegraph
Answer:
Option: D. Her childhood and professional experiences with low-income farm workers convinced her that advocacy was necessary.
Explanation:
Dolores Huerta is famously known as a labour leader in America. She became an elementary school teacher and saw the poverty of her students, who were children of farmworkers, she got involved in advocacy for agricultural workers and their families. She tried to improve social and economic conditions for workers and to fight discrimination. In 1962 Huerta and with Cesar Chavez co-founded the farmworkers union that would later call as the United Farm Workers.
To spread their influence around the world
Based on the given information, the journal is a primary source.
<h3>What is a Primary Source? </h3>
This refers to the first-hand account of an event by a person that was physically present and is usually reliable.
Hence, we can see that based on the fact that the journal was published in the 20th century and most importantly, contains original sources of stories, this is a primary source.
Read more about primary sources here:
brainly.com/question/896456
#SPJ1
