The German Schlieffen Plan called for:

Schlieffen Plan was designed  to allow Germany to wage a successful two-front war

Explanation:

2018 means 2018 ce or common era

there have been other eras too including bce, which included way more years.

during the 20th century, the role of the vice president has evolved into more of an executive branch position. now, the vice president is usually seen as an integral part of a president's administration and presides over the senate only on ceremonial occasions or when a tie-breaking vote may be needed.