<span>it made trade difficult for merchants whose business crossed state lines.</span>
It created a need for raw materials and markets
After the explosion of the USS Maine, the US public was whipped up into an anti-Spanish hysteria. Despite Spain's desire to avoid war and President William McKinley's distaste for war, the yellow press continued feeding the public's appetite for anti-Spanish news. Hawks like then-Assistant Secretary of the Navy Theodore Roosevelt loudly criticized the reluctant McKinley for being weak and afraid.
Answer:
The 36°30' North line is the line of latitude that was agreed in the Missouri Compromise to determine the slave status of new states to be admitted into the Union, west of the Mississippi River. States south of the line would be considered slave states and north would be free states.
States today that would be south of the line;
- Oklahoma
- Arizona
- New Mexico
States today that would be north of the line;
All of the countries were having a battle of who could build the biggest bombs, guns, tanks, weapons, technology, etc. which created tension between rival countries. everyone was afraid of the next country being too powerful. Hope it makes sense :-)