It’s A or D but I personally think it’s a.
Explanation: Even though the southerners look down on their slaves and don’t want their opinions to be voiced, they wanted more representation in congress so they can continue owning slaves (since the northerners are more likely to be abolitionists and are against slavery).
Silver and nickel I believe
Do you like ice cream? I sure do! Ice cream is the perfect treat to cool down, and tastes good too. It's so good you might want to eat it year round! Being frozen, you'd eat it in the summer, not the winter. The summer is hot, so it would taste good then, but who eats ice cream in the winter? The winter is cold, and I'd prefer a nice hot cocoa then!!!
A possible negative aspect of the elastic clause was that certain powers could not be explicitly given.