update >:(
never mind. after an hour of work in the hopes of some points, a moderator deleted my answer. how fun for me.
in all honesty i understand why though
1. The trade winds
2. The Coriolis Effect, in combination with an area of high pressure, causes the prevailing winds—the trade winds—to move from east to west on both sides of the equator across this 60-degree "belt." ... The sinking air triggers the calm trade winds and little precipitation, completing the cycle
3.north south direction