“the customary weapon by which free governments are destroyed.” He seems worry because he doesn’t want that to happen.
why is this important ?

Which poems include the theme that memories of beautiful natural places benefit the people who recall them? "to spring" and "lines written in early spring" "to autumn" and "to a butterfly" "to summer" and "the human seasons" "i wandered lonely as a cloud" and "lines on a beautiful spring in a village"