What steps did the incas take to unite their empire? select all that apply. a.) they practiced tolerance of the cultural practices of different groups. b.) they built a vast network of roads, bridges, and tunnels. c.) they promoted trade throughout the andean region. d.) they distributed land and shared power among several provincial governors. e.) they imposed their language and religion on conquered peoples.

in the 1800s, locomotives powered by steam made transportation faster and cheaper. the resulting rapid growth of railroads led to the connection of the atlantic and pacific railroad in oklahoma city in 1897.

in the last years of the century, the improvement of steam-based engines the expansion and growth of railroads. this growth increased when the companies started to build and expand, such as the atlantic and pacific railroad, which connected new mexico with california, and missouri with oklahoma. many of these new networks were built in oklahoma, and these changes transportation henceforward.

nations must cooperate to bring about and maintain world peace.

nations must not wage wars or commit war crimes in a desire to control other nations.

i think i know which options you have but if these aren't options let me know