Match each term with its definition. neutrality
a policy of withdrawing from relations
with other countries
isolationism
to keep or maintain
provisional
the refusal to support either side of an
argument
preserve
temporary

Neutrality - the refusal to support either side of an  argument .

Isolationism - a policy of withdrawing from relations  with other countries .

Provisional - temporary.

Preserve - to keep or maintain .

Explanation:

The given terms and their definitions are given as follows-

1. Neutrality is the position of staying in between, neither supporting nor agreeing to either side of the parties involved. This means that a particular party or a third party refused to give support to either of the arguments or parties involved.

2. Isolationism is the policy of withdrawing or keeping oneself from having any relations with other countries. It is being independent of anyone and keeping to oneself without having any relations with others.

3. Provisional means temporary, short term. It denotes something that is not long-lasting and is used or meant only for a short duration.

4. Preservation is a process of keeping or maintaining something for future use. It is the process of keeping something safe so as to last for a longer duration.

answer: b.

explanation:

which statement explains one of the reasons world war 1 was so much more destructive than earlier conflicts