Which practice is part of the obligation of a U. S. citizen to help defend the nation? A serve on a jury
B register for selective service
C vote in all national elections
D keep informed about national issues

answer: (fluidity)is the correct answer.

explanation: because of this characteristic, success on the battlefield depends in large part on the ability to adapt to proactively change events to our advantage as well as to react quickly to constantly changing conditions

hhebeueubevcje. he. me. e beben

the  equal rights amendment  (era) states: "equality  of  rights  under the law shall not be denied or abridged by the united states or by any state on account of sex." congress first introduced the era in 1923, but the campaign for ratification took off in the 1960s during the  civil rightsmovement.