Answer:
Technology has deeply affected the global economy and its usage has been linked to marketplace transformation, improved living standards and more robust international trade. ... Technological advances have significantly improved operations and lowered the cost of doing business.
Explanation:
The answer is water because today not everybody has gold or land or silver and everybody has water and til this day still uses it.
Answer = A. After World War 1
After the end of WW1 (1918) the roaring twenties began (1920) and jazz really blew up in the united states but ended at the start of the great depression.
B. Killing other peoples country hahahahaha jk search it elsewhere