diff --git a/Grade 10/History/CHC2DZ/Unit 1: World War I.md b/Grade 10/History/CHC2DZ/Unit 1: World War I.md
index 15e8132..48ee14f 100644
--- a/Grade 10/History/CHC2DZ/Unit 1: World War I.md	
+++ b/Grade 10/History/CHC2DZ/Unit 1: World War I.md	
@@ -44,4 +44,86 @@
     - Russia would take longer than six weeks to mobilise forces
     - France would die in six weeks
     - Belgium would not resist
-    - Great Britain would not come to Belgium's aid and join the war
\ No newline at end of file
+    - Great Britain would not come to Belgium's aid and join the war
+
+## Canadian Expeditionary Force
+
+ - Not all recruits welcomed
+ - In 1914, the following were required: Good eyesight, arched feet, healthy teeth
+ - Most visible minorities were rejected because recruiters were racist
+    - First Nations were valued later in the war for sniper and recon abilities
+ - Samuel Hughes
+    - Minister of Militia and Defense
+    - Appointed by PM Robert Borden to recruit and train Canadian Expeditionary Force
+    - Army grew from 3 000 to 30 000 within two months
+    - Established Valcartier Camp
+    - Helped industrialise Ontario
+    - Bought expensive **shovel-shields** (shovels with holes)
+    - Issued flawed and useless garbage **Ross Rifles**
+    - Lots of corruption accusations with substandard munitions production
+    - Religious bigotry (intolerance) of French Canadians
+    - Resigned in 1916
+ - Valcartier Camp
+    - Largest military camp on Canadian soil
+    - Established in Quebec City by Hughes
+ - British perspective
+    - Canadians were wild, mutinous, and unruly
+    - Crashed officers' private bars
+    - Ignored British class structure rules
+    - 1 249 cases of STIs out of force of 30 000
+ - Less volunteers as war continues because idealist war fantasies are fading
+    - Government relaxes restrictions (i.e., lowered medical standards/requirements)
+ - First Nations
+    - Wanted to fight for British Crown
+    - Wanted to gain rights
+    - 1/3 of all First Nations enlisted
+    - Typically **sniper** or **recon** as they had **traditional hunting** skills
+    - Cultural differences between Canadians and First Nations were challenges (e.g., challenging the leader)
+
+## Trench warfare
+
+ - British + French vs Germans
+ - `Western Front`: 700 km of trenches from Belgium to Switzerland
+ - War of attrition
+ - It sucked
+ - Government spams propaganda
+ - Modern society thinks that this was not very intelligent
+ - Hygiene is all gone
+    - Mud, lice, and rats everywhere
+ - `Duck boards`: Wooden boards used to cross wet, marshy land
+    - Used to prevent soldiers' feet from rotting
+
+ 1. Everyone go just go please don't die but charge them
+ 2. If you fail and we run out of people to throw run away
+ 3. Everyone who charges dies
+ 
+## Technologies
+
+ - Machine guns
+    - Better used defensively than offensively due to bulk
+ - Artillery
+    - Field guns/cannons
+    - `Big Bertha`: Powerful German artillery cannon
+ - Airplanes
+    - First used for recon
+    - Pilots smuggled guns onboard
+    - Germans developed integrated gun that synched with propeller to shoot through it
+    - `Dogfight`: Aerial combat
+ - Tanks
+    - Invented in 1916 to combat machine gun
+    - Too slow and would get stuck
+ - U-Boat
+    - Submarines used to disrupt supply lines
+    - Used to "starve another country into submission"
+
+### Chemical warfare
+
+ - Chlorine gas
+    - Reacts with lining of respiratory system
+    - Causes lungs to fill with bodily fluids
+    - Drown
+ - Mustard gas
+    - Causes internal + external bleeding
+    - Odourless
+    - Active for weeks
+    - Causes painful blistering
\ No newline at end of file