Can someone me with my civics

How did the supreme court decision in the slaughterhouse cause an affect american business

Prior to the 1948 presidential campaign, truman won back the support of labor unions by highlighting his opposition to the taft-hartley act. supporting the passage of the national security act. pushing for equal rights for african american citizens. opposing the strikes of railroad and mine workers.

Which were the most important issues during the presidential election of 2008? a.economic downturn and environmental protection b.two overseas wars and economic downturn c.two overseas wars and campaign spending d.environmental protection and campaign spending