Answer:
d.
hiring experts to speak to legislators about issues
A. they became more expensive because they used technology
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Answer all parts of the question that follows.
a) Identify ONE way in which the development of new technologies in the twentieth century changed the global economy.
b) Explain ONE similarity in how the development of new medical innovations and agricultural technologies in the twentieth century affected the environment.
c) Explain ONE major change in global culture in the late twentieth century.
The United States of America
American Post-Civil War inflation, the demonetization of silver in Germany and the US, and a large trade deficit were all factors. If it wants the main cause, I'd probably say the demonetization of silver.