Answer:
Puerto Rico, which became an American protectorate under the Treaty of Paris, was very poor. US troops were welcomed in 1898, and the Puerto Ricans greatest hopes were for increased rights and a better economy.
The answer is the 1st one. Hope it helps :)
Answer: After the Civil War ended in 1865, the U.S. rail network grew explosively. This expansion connected distant markets and allowed raw materials to be shipped cheaply and quickly from sources in the West and Midwest to factories in the Northeast.
Explanation:
147 is the circumference.
since the directions say to use 3 as pi, and we know that the radius is 7, we can say that
3 times 7^2 = A, which is 147