A little knowledge. An empire of 13.

Every comparison uses this expedition’s original data and rules. “Would win” describes this matchup only; a different choice would change the later journey.

1. 1
   Round 1Won13 countries · 4 lives left

   Sierra LeonevsArgentina

   Proximity to equator: 8.7° N vs 31.4° S from the equator · Closer wins ↓

   Conquered Argentina.

   Other category comparisons 1 other winning choice

   All eight categories for Sierra Leone against Argentina

   Category	Sierra Leone	Argentina	Result
   Areakm² · Higher wins ↑	71,740	2,780,400	Would lose
   Populationpeople · Higher wins ↑	8,460,512	45,538,401	Would lose
   Wealth per personint’l $ · Higher wins ↑	3,371	30,246	Would lose
   Densityper km² · Higher wins ↑	117.9	16.4	Would win
   Highest peakm · Higher wins ↑	1,948	6,962	Would lose
   Coastlinekm · Higher wins ↑	402	4,989	Would lose
   Flag colourscolours · Higher wins ↑	3	4	Would lose
   Proximity to equatorfrom the equator · Closer wins ↓ · Chosen	8.7° N	31.4° S	Would win

2. 2
   Round 2Won14 countries · 4 lives left

   MauritaniavsIreland

   Proximity to equator: 19.4° N vs 53.1° N from the equator · Closer wins ↓

   Conquered Ireland.

   Other category comparisons 1 other winning choice

   All eight categories for Mauritania against Ireland

   Category	Mauritania	Ireland	Result
   Areakm² · Higher wins ↑	1,030,700	70,273	Would win
   Populationpeople · Higher wins ↑	5,022,441	5,311,538	Would lose
   Wealth per personint’l $ · Higher wins ↑	6,972	133,440	Would lose
   Densityper km² · Higher wins ↑	4.9	75.6	Would lose
   Highest peakm · Higher wins ↑	915	1,041	Would lose
   Coastlinekm · Higher wins ↑	754	1,448	Would lose
   Flag colourscolours · Higher wins ↑	3	3	Would tie
   Proximity to equatorfrom the equator · Closer wins ↓ · Chosen	19.4° N	53.1° N	Would win

3. 3
   Round 3Lost13 countries · 3 lives left

   Central African RepublicvsChad

   Density: 8.3 vs 15.0 per km² · Higher wins ↑

   Returned to the world: Central African Republic.

   Other category comparisons 2 other winning choices

   All eight categories for Central African Republic against Chad

   Category	Central African Republic	Chad	Result
   Areakm² · Higher wins ↑	622,984	1,284,000	Would lose
   Populationpeople · Higher wins ↑	5,152,421	19,319,064	Would lose
   Wealth per personint’l $ · Higher wins ↑	1,258	2,703	Would lose
   Densityper km² · Higher wins ↑ · Chosen	8.3	15.0	Would lose
   Highest peakm · Higher wins ↑	1,410	3,445	Would lose
   Coastlinekm · Higher wins ↑	0	0	Would tie
   Flag colourscolours · Higher wins ↑	5	3	Would win
   Proximity to equatorfrom the equator · Closer wins ↓	7.0° N	17.3° N	Would win