Real world example of allowing people to bear arms

The United States. Countless families being saved from intruders when they have a gun to protect themselves. Look up any news article labeled "real world example of the 2nd amendment".

A real world example would be if you are a cop. They have to bare arm if there is a threat. You could also say for self defense if you feel threatened.

Explanation:

d. china

good luck

d is the best choice

ww1 weapons: tank. tanks were used for the first time in the first world war at the battle of the somme. they were developed to cope with the conditions on the western front. the first tank was called 'little willie' and needed a crew of 3.