If there's a optional Unique Technology for every civ what would it be like?

By Optional Unique Technology means that a Tech that gives a positive and a negative after being researched.

this technology type will not be instantly researched in a Post-Imperial Settings to keep players who don't like it but likes the Post-Imp Deathmatch.

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Here are some of my Examples, a better names are needed for some:

-Britons (Royal Yeoman)

Positive: Longbowman fires 15% Faster

Negative: Longbowmen Accuracy reduced by 10%(80% to 70% for Elite, 70% to 60% for non-elite)

Longbowmen were famed for their fast firing, but while it's not accurate at a very long range, a small unit of longbowmen could make a Area Damage with their missed shots.

-Celts (Lowland Warriors)

Positive: Spear Line unit have +1 Range

Negative: Spear Line unit loses 2/2 Armor(a fully upgraded Celtic Halberdier will only have 1/2 Armor)

The Scottish were famed for using Pikes, but it became their downfall at the battle of Falkirk as their Schiltrons were shot down by the English Longbows.

-Teutons (Teutonic Orders)

Positive: Teutons Knight and Scout lines +3 Melee Armor

Negative: Teutons Knight and Scout Lines -10% speed(Paladin speed will be 1.2 instead of 1.35, and Scout Cavalry Speed will be 1.43 instead of 1.55[this is because of +0.35 speed in feudal isn't counted as the base 1.2 speed]

While this makes Teuton Paladins more tanky, the real winner is the Teutonic Scout Cavalry for this tech, as they will have 8 Melee Armor(3 from blacksmith, 2 civ bonus from imperial age, and another 3 from this tech).

-Japanese (Bushido)

Positive: Strengthen the Samurai unit by providing +10 HP and +3 Attack(90 HP and 15 Attack)

Negative: Castles works 15% Slower(castles with conscription will work only 18% faster)

This can make Japanese Samurai a highly improved version of Champions, but at the cost of slower training for Japanese Trebuchets and Samurai at the Castle.