-Money-
so they can continue to expand
-Resources-
to fuel the empire they are building
-Power-
To rule what they have and increase the influence of their religion and ideals.
This is answer:formation of the kingdom of Italy 1861the sweep of revolutions across Europe, 1848Metternich's initiatives to curb nationalism 1799 the enlightment. 1685
They could not keep up economically. In other words Germany ran out of money.
Answer:
Artificial intelligence such as Robots
Explanation:
In 18th century, slavery was at peak value since there was high need of labour.
In 20th century, scientists have created robots which has replaced slaves hence slavery decayed.