Relationships between the two countries worsened
The relationships between the two countries worsened despite Carter strong intent to normalize relation between the two countries. This was caused by Cuba adventures in Africa and his sending of prisoners to the USA.
The answer is a..took the nations grain supply
Start with multiplying 4*7 to get 28
The equation simplifies to 28=3(2x-5)
Next, multiply the three into (2x-5), leaving the equation as 28=6x-15
After that, add fifteen to 28, getting 42=6x
Next, divide 42 by 6, getting x=7