Answer:
Climate change can alter where species live, how they interact, and the timing of biological events, which could fundamentally transform current ecosystems and food webs.
Climate change can overwhelm the capacity of ecosystems to mitigate extreme events and disturbance, such as wildfires, floods, and disturbance, such as wildfires, floods, and drought.
It influenced them because there were natural borders like cataracts and deserts
Answer:
Open trade is particularly beneficial to the poor, because it reduces the cost of what they buy and raises the price of what they sell. As new research from the World Bank and the World Trade Organization makes clear, farmers and manufacturing workers earn more income when their products can reach overseas markets.
Answer:
The heightened level of trade that came as a result of the crusades led to the expansion of cities and towns. Serfs were sometimes allowed to buy their freedom, and this also changed the European population in dramatic ways. 3. Rice, coffee, spices, and new fruits were brought to Europe through the crusades.
Answer:
Labour unions were created then to foster cooperative voice in getting their needs met. The early unions such as Knight labour union and then the Americans Federation of Union was an example. They cooperatively organised strikes that was crippling to the economic state of the country with the sole aim of increase in their wages and earnings. This occurred after undue deductions. They also organised dialogues and diplomatic relationships with the outside world. They also organised peaceful protests so as make the government hear their voices
