ABC Jigsaw
by Kegler

Clues, in alphabetical order by answer, are numbered for convenience only.  Each letter of the alphabet begins at least one answer.

ABC Jigsaw grid

1Look up to drink, maintaining “Peace in Russia!”
2Indigo nail breaks
3Surreptitiously audit test opinions
4A couple of brigadiers rejected Steve's military commissions
5Argue against Italian nobleman caging Poe's bird
6Boring poet making a comeback
7Sketches grassy ground reflectively
8Urged, for example, high school equivalency test
9Bolt to unite back end of wire and rod
10Charms retrospective Roman enthralled by endless sex
11File contains half of issues that can be divided
12Sailor wagered a small amount
13Riotous banshee, a former star (hyph)
14Operator spreads hint: put another way, use a line? (2 wds)
15Native American remodeled IHOP
16One disparages Hawaiians, say
17Flashy blue bird catches some Z's
18Mr. Bush, steer around Britain's record-keeper?
19Young foxes take energy from birds of prey
20Start boat
21Fellow with a trio of questions for Asian primate
22Name Yoko's taboo (hyph)
23Reportedly need to pay boyfriend for instrument
24Father pulling hair back is outcast
25Spot on a campus team doesn't open
26Womanizer's tool
27Ready again, official tagged player
28Certain wheels backing up render a cat nervous, somewhat (hyph)
29Regret having Rwanda's premiere, a much-married lady, get out of the city?
30Relative walks over
31Undersized adolescents at club
32Studying the history of time hurrying by quickly
33Some fun, I later allow, is one-sided
34Strains twisted vines
35Refuse middle section, we hear
36Obscenely taxed, keeping Republican blue (hyph)
37Walker, going after back pay, talked noisily
38Crooked character playing their instrument

Solution