Ask this question again, you're going to need a more specific time the president has done this. however, if you are asking about WWI, the USS Lusitania, the Zimmerman Telegram, German U Boats targeting American ships, and so on.
Answer:
Hayes, a Republican, became president after a disputed election. ... In return, he agreed to end federal support of radical Republican governments in the South. He promised to name southerners to his cabinet and other important jobs. And he said he would provide more federal aid for schools and railroads in the South.
Explanation:
