At a t-intersection, yield the right of way to drivers .

At an uncontrolled T intersection, the driver on the street which ends must yield the right-of-way to vehicles and pedestrians on the cross street. Some T-intersections have additional YIELD or STOP signs installed to remind drivers that they have to give way to cross traffic.

Explanation: i looked it up lol

the answer is

a) revise existing treaties

b) do away with political alliances

c) prevent the spread of communism

d) bring an end to european colonization

the main goal of the southeast asia treaty organization was to prevent the spread of communism in southeast asia.