Answer:
Mainly Trench Warfare was popularized by the use of new mechanized weapons such as Artillery, and also because of the mass victories in the east on germany's side, Russia used these as a form of slowing them down and to protect their troops, but often these trenches hurt these men by disease, starvation, etc.
Answer: B i hope this helps =D
Answer:
It boosted political participation. It kept presidential candidates from lowering the reputation of the presidency. It prevented vacancies in important government posts. It increased the power of writers and political cartoonists.
Explanation:
World War also started after archduke Francis Ferdinand got assassinated.
The answer is c it is a renewable energy
