Germany restricted its submarine warfare in response to international outage.
Answer:
Trade by barter
Explanation:
This economic system is known as the oldest economic system used by humans many years before money was first printed.
In this system, individuals traded their goods for another good that they wanted. It was not uncommon to see people trade copper for wheat or to trade a donkey for a dove.
This system made people to give out what they had (which they usually had in excess) for what they wanted.
Answer:
There are two types of protest, Non-violent and violent protesting. The main one and the one that I focused on was non-violent because it is used more and it is more effective. Recently we have seen celebrites protesting for the black lives matter and police brutality. In 2016 San Fransico quarterback Colin Kaepernick took a knee during the national anthem as a way to say he does not stand for the unfair and injustice ways black Americans are treated.
I think the answer is D, I might be wrong though but hope I helped! Sorry if I didn't!
Answer:
hello sorry for this answer
I don't know this is very big I can't understand!