What is the purpose of giving the 3 branches checks over each other

Plz , ive been stuck on this forever. what action did president jefferson take to stop britain and france from seizing american merchant ships. a. he declared war on france. b. he called for increased tariffs on british and french goods. c. he called for embargo on all foreign trade. d. he declared war on britain.

With state which alliance promoted goals and protection of the united states and which alliance promoted goals and protection of the soviet union. site and explain evidence from each primary source to support your answers.

Which war in history claimed the most lives