My neighbor is an Australian, married to an American. See, vocabulary differences can lead to marital conflict. There are other cases where the difference can have serious consequences. What the Americans call a billion, the British call a milliard. Differences in spelling can also cause trouble, especially for the scientific community.
Standardization is important for communication purposes, especially in areas like database searches.
At the underground I bought a return ticket. You do not know if the author of the passage is American or British. Fill in the following table. British lexicographer Ernest Gowers believes that the British were the first to speak the language, so their usage is definitive. Webster believed that a distinct American language would help merge the 13 colonies into one nation.