In 1917 the foreign secretary of German empire sent a coded telegram to the German ambassador to Mexico the telegram instructed the ambassador to persuade Mexico to join World War I on the side of Germany and the Central Powers British intelligence intercepted and decoded the message and give the information to the United States. The events described lead to -
A. An increase in the amount of US troops stationed on the US Mexican border
B. Defections of German-American who crosses the border into Mexico
C. The internment of German Americans living in the US
The internment of German Americans living in the US
D. US army recruitment drives targeting German Americans in Texas

    The message came in the form of a coded telegram dispatched by Arthur Zimmermann, a Staatssekretär (a top-level civil servant) in the Foreign Office of the German Empire on 19 January 1917. The message was sent to the German ambassador to Mexico, Heinrich von Eckardt.

Explanation:

On January 16, 1917, British code breakers intercepted an encrypted message from Zimmermann intended for Heinrich von Eckardt, the German ambassador to Mexico. ... The British cryptographic office known as “Room 40” decoded the Zimmermann Telegram and handed it over to the United States in late-February 1917

the part of the earth that is best reflected on a map is the surface. maps reflect borders of countries or territories as well as physical features like mountains.

explanation:

tbh idk same thing here