The passage of the Seventeenth Amendment granted U.S. citizens the right to vote for Senators for the first time in 125 years when it was passed in 1913.
A ball was being thrown out.
The answer is: it is about evolution.
Darwin himself characterized his seminal book, <em>On the origin of the species, </em>as “one long argument”. There is still debate as to what exactly did he mean by that characterization, but it is agreed upon that he evidently was referencing his theory of evolution based on common ancestry between species and natural selection as the process of differentiation between them, which, all in all, tells a story that took millions of years, or, in more poetic terms, it summarizes a very long argument.
A connotation is a word that suggests a meaning as to its literal meaning. An example would be pus immediately we thing of it as a negative or even icky word and it has a negative or "pejorative" connotation, when it is really a thick, yellow thing from a infected wound.