Roosevelt believes that the Supreme Court's actions will cause the problem of:
C. The president and Congress will not be able to pass legislation.
Explanation:
1. President Franklin D. Roosevelt expressed concern that the Supreme Court's opposition to New Deal legislation was leading to the abandonment of the rule of giving statutes the benefit of all reasonable doubt.
2. By casting aside this sound rule, Roosevelt feared that the actions of the Supreme Court would hinder the ability of the president and Congress to pass legislation effectively.
3. This situation could result in a legislative gridlock where important laws and policies might not be able to be enacted due to the resistance or limitations imposed by the Supreme Court, thus affecting the governance and decision-making process in the country.