The correct answer is the Civil Rights Act of 1964.
It was a significant development because it the first set of rules that anyone could see at any time so there was no excuse like oh whoops i didn't know! hope i helped
Answer: the United States declared war against span
Explanation: here's ur answer: americas support the ongoing struggle by cubans and filipinos aganist spain rule, and the mysterious explosion of the battleships U.S.S. Maine in Havana Harbor. ur welcome
