Corrected paragraph:
After World War II, the Soviet Union and the United States both proposed Missions to Mars, but neither sent a manned Spacecraft there.
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I believe the answer is: A. <span>overcoming communication barriers
Communication barriers refer to every factors that prevent a communicator from delivering the core content of their information.
This could include things such as difference in language, difference in background experience, difference in culture, etc.</span><span />
It’s C (if this one is wrong then I’m sorry)
I can provide you metaphors to use in the poem.
Love is an open door.
Love is cloud nine.
Love is a never ending chocolate fountain.
Love is a free bird.
Love is cotton candy; sweet, fluffy, and enjoyable.
Love is a journey.
Keep in mind that a metaphor compares two things without using like or as.
Hope this helps!