This answer to this would be A.
Answer:
The building up of weapons and military as a show of force
Explanation:
promising to defend other countries in need is an example of alliance
extreme love of one's country (and when you think all the other countries suck) is an example of nationalism
building up an empire and expanding wealth is an example of imperialism
these were all the reasons World War One started by the way.
Answer:
Based on this fact, I have recognized the most sensible conclusione about roman trade during augustus’s reigh which is being shown in the option : traders were hesitant to buy and sell grains because of war. During this war Sextus Pompeius set control over the sea which means he made an obstacle for trade.
Hope you will find that helpful.
A. 30,000 units because the total energy decreases