the correct option to this question are
the catholic church unified different kingdoms of Europe under the umbrella of the church. An example is when the church crowned kings as emperors of the holy catholic empire.
the catholic church intervened and settled disputes between rival kings and lords. whenever, there were disputes the king was always at the forefront to handle and resolve disputes.
Answer:
One reason : Machines were too difficult for workers to use.
It was a secret diplomatic communication that Germany and Mexico used to form an alliance.
Answer:
there were 5 on three of the planes, and four on the fourth
Answer:
Qatar
macao
luxembourg
singapore
ireland
brunei darussalam
norway
united arab emirates
kuwait
switzerland
(richest) i could be wrong