Answer:
A. Airplane
Explanation:
Around 1918, Air delivery, became the new mode of transportation for mail, as it rendered railroad services unnecessary. During this period, the Post Office moved on the airplane bandwagon early, there by, offering air mail service in the early 1900s.
Hence, the 1900's technological invention which allowed the U.S. postal service to deliver the mail considerably faster than previous methods is AIRPLANE.
In some democracies, there are only two big political parties. For example, in the United States, there is the Democratic Party and the Republican Party. Some other parties exist but are very small and do not hold seats in Congress. In other countries there are larger numbers of parties.
I think it would be D. A business man who neglects to notify his boss of his mistake because he doesn't want to lose his job.
Answer: it helped them in decision making
Made wealth for the kingdom
United the kingdom
Explanation:
