What benefits did the nobles have because of the magna carta

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

Which of the following was probably the most difficult challenge facing construction of the railroad?

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