Rate my profile picture of Yodolf Hitler
The greatest leader in the world

most people now work in jobs where they do one  kind  of work; they are carpenters, bankers, cooks, mechanics, and so forth. likewise, most  businesses produce  only certainkinds  of  goods  or  services, such as cars, tacos, or gardening  services. this feature of  production  is known as specialization.

i think you may have asked this twice, but i answered one of the

1.   île de la cité

2. 200 years

3. for the nave and choir

hope im right, havent learned about this in a year