What impact did reduced taxes and the assembly line have during the early 1920s?

Which was not part of the debate over going to war? a. president james madison tried to avoid war but was convinced by those who wanted it.b. new england ship builders wanted to go to war to save their buisnesses.c. most westerners and some southerners wanted to go to war to gain land.d. war hawks said they could march into canada and take britain's territory.

How did inovations in manufacturing lead to improvments in transportation?

Sole i will mark brainlist to who answer