I have a quiz and i dont understand the questions. i keep getting 50's and i cant get other answers right i need help..

Why is julius caesar considered an important roman leader? a. his assassination led to a civil war that ended the roman republic.b. his commitment to justice led to the creation of the twelve tablesc. his support for democracy led to expand voting rights for all romansd. his policies as dictator led to a period of peace known as the pax romana

Which is guaranteed by the fifth amendment? o a person will have a speedy trial. or a person can refuse to testify against himself or herself. a person can not be forced to testify against his or her spouse. a person has the right to a trial by jury

Which of the following wrote detailed accounts about early native american? a) spanish b) french c) americans d) mexicansi need this !