How did the arrival of the Spanish affect ancient American civilizations?

When the Spaniards arrived in the Americas, they introduced livestock, new crops and other domestic animals from Europe to the Americas. The introduced animals and crops impacted the environment of the Americas negatively. It transformed the environment and killed many living beings in the Americas.

Explanation:

try something like republic or democracy joined or something because its talking about a election party.

acts of terrorism occur globally. the united nations global counter-terrorism strategy was created in order to build adequate systems of support and solidarity with victims of terrorism. here´s a summary of the proposed key themes: the importance of giving victims a face and a voice; protecting their dignity; giving victims legal status and defending their legal rights; providing victims with medical, psycho-social and financial support; building solidarity with victims; improving media coverage of victims; and focusing on the link between victims and counter-terrorism efforts more generally.