Translation of barricade in Spanish

Of course I have already tried, but it did not work. I will try it again. Meanwhile, here is the reason for my short emails... only one hand free at a time, see explanation in the image of me.
There are changes in regulations for people who wish to travel to Eastern Europe. This is advantageous. In the U.S., as in every country in the world, there are positive and negative changes.
In school, we now are learning the grammar part, more specifically, the participles and so on. I understand it at all, but the conjugations, boy they are tough. A lot of patience is needed.