How long did it take to build a curtain wall castle?

What state has the most ocean front? Person that lives in a forest? The dry area east of the rocky mountains is what? Do the mules pull ships through the Panama Canal? What two bodies of water does the Erie Canal connect IN 1800'S? Where are the Everglade mountains located? What sea does the Nile River flow into? Who built the world's first binary digit computer Z1? Is the Statue of Liberty a religious icon? What is a population in an ocean? Small parrot found mostly on the South Island? What is the earths surface from the edge of a continent to the deep part of the ocean? How many diodes in a bridge rectifier? What was Andy Goldsworthys sculpture The Stone River made from? How far is port Stanley from the long beach in Ontario on Lake Erie? What river carries almost half of Russia's river traffic? What countries surround the great lakes? What makes the Nile River white? What ocean level do angelfish lie in? What were English castles made out of?