What leisure activities flourished at the turn of the 20th century?

Bicycling, spectator sports, amusement parks, theater, circus and reading fiction are some of the popular leisure activities that are flourished at the turn of 20th century.

Explanation:

Leisure activity is usually performed in free time to spend the time with fun filled activities. Leisure activity is entirely different from the work that is done in day to day life. Office work, housework or sleeping never comes under the category of leisure activity.

Leisure activity like bicycling improves physical health and refreshes one’s mind.  Blood pressure and cholesterol levels can be maintained by performing some leisure activities. Leisure activity ensures fitness and mental well-being.

the answer is a) the proclamation of 1763.