Answer:
The Trail of Death gave Equa-Ke-Sec a strength and survival instinct she didn't have before.
Explanation:
Although you did not present the text to which this question refers, we can consider, in the context of the question, that you are referring to "The Long March" written by Peggy King Anderson.
In this story, Equa-Ke-Sec is a Native American child of the Potawatomi tribe, who was forced to walk for long days from his homeland to the West because of the ambition of the American settlers to possess the sacred lands of the Potawatomi. The trip was extremely tiring, violent and with few resources. Many people died and others became seriously ill, including Equa-Ke-Sec, but she resisted and survived. This difficult episode of her life, was full of difficulty, but it gave a great strength and an instinct to survive unbeatable that she passed on to her daughters, who passed on to her granddaughters and so on.
First you should know that a dependent variable is the one which its values depends of the ones of other variable. In this case, <em>the final mass is the dependent variable</em> because this amount directly depends on how much acid the scientist pours in the initial mass to increase or decrease it. This is also why she remeasures it once the experiment is done.
Ok, there is a lot for McCarthy. Since he was a Senator, form the late 1940's to the mid 1950's he went on a hunt for communists in the gov and in public life. He mostly did this because he wanted to ensure his political success. So during this time was the "Red Scare" aka when Americans were afraid of communism, so when he claimed he had a list of 205 communists the public went crazy and supported his crusade.