it increased trade and economic growth! I just did my test on this. I don't have the why but I hope this helps!
Answer:
2.3
Step-by-step explanation:
6.1 =0.8+0.8+x+x
6.1=1.6 +2x
6.1-1.6 = 2x
4.5/2=2x/2
x=2.25
x=2.3