Which transition could replace the word thus in this sentence?

Workers bravely set dangerous explosives in the mountains by hand to make passes for railroads, and thus hundreds lost their lives.

Yet

Besides

Extremely

Consequently

Verified Answer :

The transition which could replace the word thus in this sentence is definitely consequently. 
Workers bravely set dangerous explosives in the mountains by hand to make passes for railroads, and consequently hundreds lost their lives.

Answer:

consequetly

Explanation: