The invention of barb wire kept out animals from going into the crops and theifs from taking the food
Raised awareness, reflected the voice of the people, and connected the modern and traditional cultures! :)
Is this a true or false question?
If so, it's false. You can have gonorrhea even though there may not be any symptoms. Always check with your doctor for verification, if concerned.
This applies to many other medical diseases as well.
Italy and Germany were able to unify, in a big part because of B) nationalism. Due to a culture and ideology of the unity of these regions based on national identity there were movements that began to push these societies towards national unification.