How did the isolationist actions of the US affect lasting peace in Europe after World War I?

Without US support, the League of Nations weakened significantly.
Without US help, European nations could not prevent use of military force.
Without US help, secret military alliances no longer took place.
Without US support, European countries did not ratify the Treaty of Versailles.

what are local authorities doing to fix the problem

explanation:

after a more than a decade and a half of combating al qaeda (aq) in afghanistan and pakistan,

the united states faces a diverse array of threats from al qaeda affiliates in the middle east and

africa. while senior al qaeda figures reportedly remain based in pakistan, the network includes

a number of affiliates across the middle east and africa including al qaeda in the arabian

peninsula (aqap), al qaeda in the islamic maghreb (aqim), and al shabaab. al qaeda also

retains a small but possibly growing presence in afghanistan. u.s. officials have stated that al

qaeda still maintains a foothold in syria through its ties to hay’at tahrir al sham (formerly

known as the nusra front), though the exact nature of that relationship may be evolving. this

report examines the threat posed by al qaeda affiliates in the middle east and africa as described

by u.s. officials and outside observers, as well as the u.s. approach to date in responding to these

threats. this was all i could find hope this : )

c. the king has significantly abused the colonists' rights many times over a long period of time.

i believe its escaped