Which of the following words could replace "amended" in the above sentence?

Why did some states believe they had the power to overturn federal laws?

What was the main cause of the russian revolution? a. the protests against the war with poland b. the tremendous war losses of world war 1 c. the protests against the treaty of brest- litovsk d. the losses dictated by the treaty of versailles

Why might the greeck city states have an advantage over the persians