Cities reflect urban planning. They are all laid out with major roads running north and south.

The statement is not true. Not all cities are laid out with major roads running north and south, this type or urban planning is more common in modern cities like those of the United States.

Older cities like many in Europe are laid out in different ways. For example, Paris has a series of "rings": large roads that circle the city, from close to the city core to the outskirts. Other cities have large historic centers where the layout is very irregular.

although world war i began in 1914, the united states did not join the war until 1917. the additional firepower, resources, and soldiers of the u.s. to tip the balance of the war in favor of the allies. remaining neutral. when war broke out in 1914, the united states had a policy of neutrality.