I believe its A. But im not sure all the way :)
Electrons orbit the nucleus of the atom in electron clouds.
"Dalton's Atomic Theory
"1) All matter is made of atoms. Atoms are indivisible and indestructible.
"2) All atoms of a given element are identical in mass and properties
"3) Compounds are formed by a combination of two or more different kinds of atoms.
"4) A chemical reaction is a rearrangement of atoms"
source: http://www.iun.edu/~cpanhd/C101webnotes/composition/dalton.html
<span>1. The statement that does not accurately refer to the Western world is "Anything that originated in Western Europe" . Western world refers to the practices and ideas , they are not tangible things.
2. </span>European leaders urged the spread of during the Age of Discovery through <span>European leaders knew that the spread of Christianity meant the spread of Western culture. They knew that Christianity will spread all over the world.</span>
The Pullman strike was caused by the panic of 1893, George Pullman, which increased hours for working and they cut down wages.
Hopefully this will help someone out! :)