I think you forgot to include the options along with this question. I am answering the question based on my research and knowledge. The Code of Justinian is historically important to western civilization because it contains several principles that are found in Western legal systems. i hope it helps you.
The Europeans used Religion as a basis for changing other "lesser" people to be more like them and for democracy people can follow a religion of their choosing
Air pollution
Highway congestion
Air pollution has caused it because the engine of the cars has made the smell of the air be not very nice, and people could end up being ill because of having to breathe in petrol, because they might have an allergen.
Highway congestion because there are so many cars these days, that most of the time you go on a highway (motorway), there are loads of cars queueing. This can also cause air pollution because the animals that might be in a field at the side of the motorway won't like the smell of all those cars.
The answer should be a because their not being violent
Answer:
In the Swiss federal state, direct democracy and the federal system ensure individual autonomy as well as cohesion.
Explanation:
