Write a possible enduring issues in the document about 4 paragraph can someone help

Water pollution and cholera disease.

Explanation:

The main issues in the paragraph is the water pollution and diseases like cholera. Cholera disease occur due to contamination of Thames river with industrial waste and other waste materials of human population. Thousands of people died due to the outbreak of this cholera disease and with this water pollution the environment is also adversely effected so the main issues are water pollution and cholera disease.

answer; /// the above statement is (true);