In result of wet conditions and also poor hygiene, a lot of the soldiers would suffer from 'trench foot'. hope this helped :)
In my view, environmental changes often lead to global migration, because people need particular conditions to live. So the most suitable option is: <span>A. Environmental changes forced people to migrate to other areas. The number of environment migrants still grows and by 2050, in about 200 million people will leave their homes because of environmental changes.</span>
Protect the rights of individuals from the federal government
