The Coloumbian exchange was the exchange of species between the Old and the New continents. Because of this we can for example choose between cofee and cacao to drink: Cofee is from the Old, and Cacao from the new World. Similarly, if you've even eaten food that included tomatoes (New world) and rice (Old World) - this is only possible with Columbian exchange.
4. The Jim Crow laws, were African Americans were told they were being treated fair but simply separately.
I believe the answer is:
They showed the strength of Christian belief.
Martyr refers to the people who are willing to sacrifice their life for a certain cause. In the past, many Christian missionaries become a martyr by defending their religion in the face of torture and execution.
As the news of their death spread, they indirectly showed the strength of their belief which ignite other people's will to adopt the religion.
Answer:
Pre-operational stage
Explanation:
The pre-operational stage is the second stage of Piaget's cognitive development stage. This stage has been started from the age of 2 to 7. At this stage, children start to think at a symbolic level but not yet using the cognitive level. Children used at the pre level or before the operation. This means that children are not using the logical level to combine or separate things. The child development consists of building experience about the world through adaptation and working towards the stage when it can use logical thought. During the end of this stage, the children can mentally represent events and objects and involve in symbolic play.