Context clues

“A Rocket Festival is a merit-making ceremony traditionally practiced throughout much of northeast Thailand and Laos, by numerous villages and municipalities near the beginning of the rainy season.”What does beginning probably mean?
A. original
B. initiating
C. completed
D. finish
“Scholars study the centuries old rocket festival tradition today as it may be significant to the history of rocketry in the East.” What does tradition probably mean?
A. custom
B. culture
C. festival
D. celebrate

“These festivals are presumed to have evolved from pre-Buddhist fertility rites held to celebrate and encourage the coming of the rains, from before the 9th Century discovery of black powder.” What does presumed probably mean?
A. random
B. choose
C. suppose
D. relate

“The rulers of these societies have incorporated some indigenous symbols into the national cultures that they have worked to construct in the postcolonial period.” What does incorporated probably mean?
A. join
B. break up
C. constrain
D. chooser
“Saturday brings on the competitions for Hae Bangfai Ko is street parades or demonstrations usually featuring traditional dance and accompanying musicians.” What do parades probably mean?
A. travel
B. earthbound
C. navigate
D. march