:( title : WWI technology

1)Who made this new technology and when

2)how did it work

3)what was the item used to do?

4) are these technologies still in existence today and have they improved? explain , how they have changed!

At the beginning of the war, why was hitler allowed to continue his aggression without resistance from other european countries

What is the definition of federalism

Match the artists with his technique or to his work. 1 . michelangelo the illusion of depth 2 . giotto perspective and chiaroscuro 3 . raphael "the last supper" 4 . velazquez "sistine madonna" 5 . holbein "david" 6 . masaccio portrait of henry viii 7 . van eyck flemish painter 8 . da vinci spanish painter