Which of the following is true of the appeal process? Group of answer choices There are no guarantees of appeal at the federal or state level, but the appeal process has been effectively certified through common practice. The guarantee of appeal in the states was established as part of selective incorporation as applied to the Fourteenth Amendment. The Constitution guarantees at least one appeal after conviction, but many states continue to challenge this guarantee in court. The Constitution does not guarantee an appeal after conviction, but the federal government and all states permit at least one appeal. Both the federal and all state constitutions guarantee an appeal after conviction