It depends on where you live! Look up where you live, and add your question!
The answer is C i know this bc i got it right
A & D are both a little right. Ultimately, I'd go with "A". Much of Talmadge's opposition came down to black farmers getting more money than white farmers, which rankled Talmadge.
The answer here is meta-analysis.
We can see here that Dr O'Connor is using meta-analysis because she is examining the 170 studies that have been done on the topic to find out the truth that lies behind theses similar studies. Meta-analysis in essence is a statistical analysis done on the results of the previous studies on a certain topic or in a certain field as it combines all of those findings to get an overall result.