is an example of environmental change

Examples of these global environmental changes include climate change, freshwater shortages, loss of biodiversity (with consequent changes to functioning of ecosystems), and exhaustion of fisheries.

Explanation:

east-west schism. the greatest effect of the east-west schism was the creation of two separate churches that had previously been unified under one church, the eastern orthodox church and the roman catholic church.

the  seven  days  battles  were  a series of seven battles over seven  days from june 25 to july 1, 1862, near richmond, virginia,  during  the american civil war. the  seven  days ended with mcclellan's army in relative safety next to the james river, having suffered almost 16,000 casualtiesduring  the retreat.