Explains the significance of 1718?

In this year, two settlements were founded that would later become important U.S. cities. The year also saw the death of Blackbeard, a notorious pirate who had terrorized ships off the Atlantic Coast and the Caribbean. In the early 1700s, England, France, and Spain competed for control of North American.

Explanation:

sumerians were responsible.

the triple alliance. germany and austria-hungary were already allies by 1879 when, worried about a threat from russia, they formed the dual alliance. italy joined the group in 1882. there was a concern about a possible attack from france and the alliance needed powerful friends to defend it.