Which historical event began in the colonial period ? a- the establishment of the colony jamestown b- the writing of the declaration of independence c- the discovery of america by columbus d- the beginning of the american revolution

Two of these describe "federalism." (choose two answers) select one or more: a. the national government absolutely controls all state governments. b. power is shared by the national and state governments. c. state governments exercise absolute power over the national government. d. it is a compromise meant to eliminate the disadvantages of a "unitary" and a "confederate" system.