How did luther ideas differ from those expressed by the catholic church

Over the course of the eighteenth century which two european powers were locked in almost continual warfare?

Soon-yi's house has a hexagonal window made up of six identical equilateral triangles as pictured below.

Which of these innovations led to increased production in american factories in the early 1800s? a. the use of interchangeable parts b. the construction of canals c. the invention of the mechanical reaper d. the availability of electricity