What contribution did railroads make to the growth of industry in Great Britain?

In a group discussion, which of these is the best example of synthesis claims into a single conclusion?

Iwill be giving 15 points to whoever answers the concept of checks and balances means that each branch of governmenta. has its own powers and responsibilitiesb. is clearly described in articles of the constitutionc. has the ability to correct the other branches in case of an errord. is set up so that in case of constitutional crisis, the governement will continue to operate

Concerns of the spanish treatment of what nation lead to the spanish american war