Answer:
decide if an action is constitutional
Carbal was the first explorer to sail to the east coast of South America. He sailed for Portugal. Hope it help!
A group of members invited William of Orange to "invade" England.
There are numerous mountains in Japan and they were an obstacle towards unifying the country. Since many parts of Japan waged wars against others, it was difficult to fight in other people's regions since they had the mountains to their advantage so there was a difficulty in uniting every part of Japan through wars, like it was done in numerous other countries.
