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.
The British Parliament wanted to expand in India and wanted more control to overhaul the management that the east India company ruled in India. It failed and was replaced by the Pitts India act
Universities would allow scientists to investigate their theories even if they contradicted Catholic teachings.
I believe that Congress could declare war, (though states could, ahem, not draft soldiers), could sign treaties and trade agreements
yea, i think that's it, since there are much more weaknesses to the Articles of Confederation than strengths....
The main reason why Alexis de Tocqueville traveled to the united states was to observe American democracy in action, and to take note of what worked and what didn't, as many European countries were going through democratic revolutions of their own.
So, the third one.
