You didn't really provide any options here but we can safely say that Alexander's army (if you're talking about the army of Alexander the Great) was alert because they were trespassing in foreign terain where they could be attacked at any time.
Answer:
Sandoval, 231 U.S. 28 (1913), was a United States Supreme Court case deciding whether the federal government's law prohibiting liquor on the land of Santa Clara Pueblo impermissibly infringed on the State of New Mexico's police power under the equal footing doctrine.
The answer is A. He was a political philosopher and speaker. "<span>Cicero was a Roman politician and lawyer, who served as consul in the year 63 BC. He is considered one of Rome's greatest orators and prose stylists." https://en.wikipedia.org/wiki/Cicero</span>
