TASK DEFINITION: You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.
PROBLEM: Category: MAKE IT STICK 
Clue: Use instant glue for glass & white glue with a clamp for wood, which has these, like skin, for glue to enter

SOLUTION: pores

PROBLEM: Category: RIVERS 
Clue: In 1951 it was determined that this river's source was in the Sierra Parima of Venezuela

SOLUTION: the orinoco

PROBLEM: Category: COUNTRIES OF THE WORLD 
Clue: During WWII Moshe Dayan served with the Brits, fighting to liberate Syria & this country from the Vichy French

SOLUTION:
lebanon