Wilson, Roosevelt, and Taft all were in the 1912 Presidental Election. However, a Woodrow Wilson took advantage of the Republican Split and won with just 41.8% of the popular vote.
The US constitution allowed for certain laws to be amended over time and the Bill of Rights gave US citizens certain rights which could never be taken away from them, if they are, they can overthrow the government.
Explanation: The quote mentioned “possible changes of things” meaning that they’re laws that can change depending on the situation hence the term elastic.