<span>A --If you choose the right noun and the right verb, you seldom need modifiers of any kind. In addition, clauses always make sentences longer.</span>
Because with a child you have many different problems and scarce ideas. So safe-guarding is the much better and reasonable choice. <span />
Similes is the correct answer i think
Extending in scope or effect to a prior time or to conditions that existed or originated in the past; especially : made effective as of a date prior to enactment, promulgation, or imposition