They have made many products and continuously improve their products to fit the needs of the consumers
Lincoln's major war aim was to preserve the Union, or the whole nation.
I think that these are the answers for your questions.
3. B
4. B
tan A should be the corner try work out work out:

first and then add all the others (B=90)
Explanation:
A and C should be the same
That would make me feel mad because slavery is not good anywhere that is why it ended December 6, 1865 because people were not getting treated right they would get slapped, or woman would get taken away from their husband to be raped or be married to a white man.