The <span> main result of the Germany's use of unrestricted submarine warfare during world war 1 was that it led to the US entering the war agains Germany, since this caused the sinking of the Lusitania, which was carrying many Americans. </span>
Places that served alcohol illegally during the time of prohibition were referred to as "speakeasys", which was largely hidden from sight and required code words to enter.
She made a speech at a women's rights convention in Seneca Falls is the answer.
violence (crimes), plague, famine, heresy (no freedom of speech, it could be dangerous to let important people know your opinion) and sometimes bad weather conditions could be bad for their buildings