what? i dont speak that please transalte in eblish
Answer:Sinking of American merchant ships
Explanation:In early 1917 Berlin forced the issue. Its declared decision on 31 January 1917 to target neutral shipping in a designated war-zone became the immediate cause of the entry of the United States into the war.
<span>D. Countries built large armies and stockpiled powerful weapons
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I have to say B. The rest were concepts made in Greece, by Greek philosophers, politicians, or mathematicians. An example for an advancement in math is the Pythagorean Theorem. I hope this helps!
