Why did the runways have to be constantly repaired?

like this::

Explanation:

The RRR process has developed into five stages: 1) damage assessment, 2) Minimum Operating Strip (MOS) selection, 3) Explosive Ordinance Disposal (EOD), 4) bomb damage repair, and 5) MOS set-up.

Because it needed mantainece

Explanation:

president jefferson protested this interference in american trade. he sent james monroe to london to negotiate a treaty. jefferson wanted britain to stop taking sailors from american ships, and to stop interfering in the trade of neutral nations. monroe tried many times to discuss such an agreement. but the british foreign minister was always too busy to see him.

explanation:

1) the answer is b

senators serve a six-year term; representatives serve a two-year term, making them more responsive to (and responsible for) voter confidence.

2) the answer is d

to serve as president, one must:   -be a natural-born u.s. citizen of the united states;   be at least thirty-five years old;   be a resident in the united states for at least fourteen years.

3) the answer is a

ella,because it is constitutionally eligible

4) the answer is c: the u.s president