Disagreements over state's rights, slavery, and other issues, the Civil War occurred when the tensions finally grew too much.
I think the answer would be primary because secondary means that it happened after the event.
I hope that helped :)
<span>In 2008 Congress clarified the definition of a person with a disability with the ADA Amendments Act of 2008. This act broadened the scope of what is considered a disability. To be considered a disabled a person must be physically or mentally impaired to the point that it limits thinking, movement or abilities when performing activities.</span>
What makes a baseball bounce would be the correct answer. All the other options would be opinions, therefore they are not true testable experiments. Hope this helps!
