What were Dowager Empress Cixi's accomplishments during her reign? Check all that apply. She served as the regent for her five-year-old son. She controlled the Qing Dynasty for forty-seven years. She modernized the Chinese military. She put down the Boxer Rebellion. She established the Open Door policy.

When president johnson vetoed a law that would extend the freedmen’s bureau, congress reacted by supporting the veto and closing the freedmen’s bureau. writing a new law to show support for the black codes. overriding the veto and expanding the agency’s powers. drafting a law to prevent african americans from voting.