During the 1920s, the trial of sacco and vanzetti,
the palmer raids, and the revival of the ku klux
klan demonstrate that
(1) nativist sentiments were on the rise
(2) cultural values were similar between urban
and rural americans
(3) popular support for international involvement
was increasing
(4) public support for limiting immigration was
declining

answer:

the reaction is type of combination reaction.

explanation:

on the product side, there are 2 molecules of bonded to fe   which means one atom of fe are combined two molecules of . so, balanced chemical equation becomes :

this reaction follows the reaction type of combination reaction. a combination reaction is defined as chemical reaction in which reactants combines together to form a single product.