Answer:
It is sometimes easier to understand a situation if it is shown to you in a very simple way. The cartton makes you focus on a speific aspect, and you don't get disctracted by other things. Or it's just more entertaining.
~Good day!
A major consequence of invisible trade is that eventually the amount of invisibilities will exceed the payments for them. This means that the goods and services provided will be given, but payment for them is often neglected. This leads to a devastating deficit in funds. So the person or business supplying the goods can be in ruin, along with the person or business owing the money. This could threaten the economic strength of Texas.