Because of the fears that immigrants will "distort or spoil" existing cultural values.
History of bifocals and trifocals
Benjamin Franklin, the early American statesman and inventor, is credited with creating the first multifocal lens for eyeglasses. Prior to Franklin's invention, anyone with presbyopia had to carry two pairs of eyeglasses — one for seeing distant objects and one for seeing up close.
Answer:
Roman architecture was heavily mimiced within the reneisance.
Answer: B. The ironclad
Explanation:
The main battle between ironclads occurred on 9 March 1862, as the defensively covered Monitor was conveyed to shield the Union's wooden armada from the ironclad smash Virginia and Confederate warships. With the clash of Hampton Roads, maritime fighting changed forever. Ironclads were warships intended to be impenetrable to foe shot and shell by the excellence of their iron-shielded wooden structures.
Different names for these boats incorporate rams, defensive layer clads, iron gophers, iron elephants, iron pine boxes, turtle-backs, and mud-smashers. So incredible were the ironclads that they upset an ancient axiom of naval warfare that forts were stronger than ships.
