Unity was brought mainly by the decades-long process of setting up and expanding the European Union in the aftermath of WW 2; also the disappearance of the Iron Curtain in 1989 was a major factor in uniting Europe.
Major disruptive factors were of course the two World Wars, and before 1989, the existence of a Communist-dominated Eastern Europe versus Western Europe.
"<span>He divided the empire into two halves and shared his power with a co-emperor" would be the best option from this list, since this was greatly credited with saving the empire from external ruin.</span>
Because the people of Kansas were allowed to vote whether the new state should be slave or free.This focused a lot of attention on Kansas, and terrorists from <span>both sides crossed into the state to interfere with the voting.</span>
Answer:
Economic
Explanation:
It greatly effected people economically who went from poor to rich.
Mathematics - Vedic literature is replete with concepts of zero, the techniques of algebra and algorithm, square root and cube root. Arguably, the origins of Calculus lie in India 300 years before Leibnitz and Newton.
Astronomy - Rig Veda (2000 BC) refers to astronomy.
Physics - Concepts of atom and theory of relativity were explicitly stated by an Indian Philosopher around 600 BC.
Chemistry - Principles of chemistry did not remain abstract but also found expression in distillation of perfumes, aromatic liquids, manufacturing of dyes and pigments, and extraction of sugar.
Medical science & surgery - Around 800 BC, first compendium on medicine and surgery was complied in ancient India.
Mechanical & production technology - Greek historians have testified to smelting of certain metals in India in the 4th century BC.
Civil engineering & architecture - The discovery of urban settlements of Mohenjodaro and Harappa indicate existence of civil engineering & architecture, which blossomed to a highly precise science of civil engineering and architecture and found expression in innumerable monuments of ancient India.
Shipbuilding & navigation - Sanskrit and Pali texts have several references to maritime activity by ancient Indians.Sports & games - Ancient India is the birth place of chess, ludo, snakes and ladders and playing cards.