The 1920s were a unique time in the United States in the sense that it was a time of great economic prosperity and also great social woe. What led to this tension was a mix of rising immigration levels and and irresponsible attitude towards money and spending.
Resources to build their empires
The development of coined money allowed people to buy and sell goods in a wider market.
Option: C
Explanation:
The business or trade get influenced by the introduction of coined money. Money uses two forms: coin and notes. It came after barter system and make more easier the trade system and business policies. Though it is difficult to find the history of transformation from barter system to monetary system.
As it was introduced to the whole world it expands the market and open the way before people to move all over the globe for trading purpose and make the accounting system more feasible to buyer and seller. Public and the traders both got wider market to customize their products.