Why were many americans in favor of going to war with mexico? they knew the only way to annex texas was to declare war on mexico. they believed it was necessary in order to gain more territory. they needed territory where native americans from the east could be resettled. they thought that defeating mexico would lead to the possession of oregon.

there are two main types of historical sources: primary sources and secondary sources. a primary source is something that originates from the past. it can be a chronicle, a piece of pottery, or even a piece of glacial ice that gives us climate data about the levels of atmospheric carbon one thousand years ago.

the soviet union wanted to impose communist governments in eastern europe.