The civil war came to an end when a big turning point Lincoln did the emancipation proclamation when freed slaves in the south if they can get to the north. With England not joining the Confederacy, the lost men, military and strength. The war ended in Spring, 1865. Robert E. Lee surrendered the last major Confederate army to Ulysses S. Grant at Appomattox Courthouse on April 9, 1865.
Answer:
We have better technology so we can take some of a dinosaurs DNA and see what era it was from, how long they have been extinct, etc.
Explanation:
Well, I can tell you for sure that a is not the answer. But I think the answer would be b.
