<span>It signaled the end of the Gupta civilization. The Gupta civilization was a rich and very influential civilization but the attacks caused the empire to collapse shortly after. </span>
1) The first Danish war in 1862
2)The Austro-Prussian War in 1866
3) The Franco Prussian War in 1870-1871
Should be the answer
They both did a lot of damage for example they affected the economy & a lot of people died.
i think the 2nd and 3rd one are the correct answers
hope this helps!!!!!!