Why does the author describe the sinking of the Lusitania?

In 3-6 sentences describe the strategy between generals' grant and lee's armies at wilderness and spotslvania . why are they significant? i will mark brainliest! answer only if u truly know the correct answer

After the civil war which president was called a "carpetbagger"? a.lincolnb.johnsonb. grant

What is the order from these fractions of least to greatest 1.64 1 and 7/8 0.070 9/5 pls due tomorrow