Answer:
B. protecting China from foreign invasion
Explanation:
because back in the time that the wall was built, they were having problems with the mongols, which is why the wall was built, to protect them from the mongols.
B.
they are used to see if you have a fever or the temperature outside
hope this helps! :)
In order to prevent this, governments and businesses from across the world need to work together to ensure sustainable development – ensuring that economic growth doesn't come at the expense of the planet. ... “The Sustainable Development Goals is something we have never seen before.
Answer:
Some of the place crime are being stoped or less because of social rules.
Social rules can also create social awareness around us.
Because of Aadhar card we can find a person is not territories.
Social rules can also helps us in many ways like Going through the way of traffic rules can decrease the traffic
