<span>The western-most lands conquered by the Achaemenid Empire extend into what is now modern-day Egypt and Libya. Most of the lands conquered under Cambyses fall in Egypt, while they were extended further into Libya under Darius I.</span>
Answer:
1 To give credit to the researchers whose prior results you have used.
2 To let the readers know which prior results they should be aware of.
3 To let everyone know that you are not creating everything from scratch.
Africa,South America,Antarctica, and Australia
Industrialism contributed to imperialism in the 1800's because as industrialization continued, resources fell (Think Oil, metals etc.), the territories (states in this case) needed to expand so that they could get more resource income, making their governments capture new territories in order to continue creating a prospering country.
Imperialism is the act of taking over another nation via their government.