volvieron

third-person plural preterite indicative of volver

todos

masculine plural of todo

al

Contraction of a el (“at the, to the”).

fortín

bunker, pillbox (small fort)

sin más

just like that

acontecimientos

plural of acontecimiento

más

• Adv

  1. more; -er (used to make comparisons)
  2. most; -est (used to make superlatives)
  3. furthermore
  4. in addition
  5. else
  6. used with qué to express emphasis

• Det
• Conj

sin

without