my question is on north americans mirgation it says explain one way that mirgration affects us today? then my next question says give one cause and effact of the mirgration of the frist americans?

Migration affects us today because it has diversified our culture.

The first Americans migrated to this continent probably following herds of game animals across the Bering Land Bridge.

what do u mean by it has diversified our culture and what is an cause and effect for mirgration

http://dictionary.reference.com/browse/diversify

Think about the different ideas and foods that we have because of immigrants.

People migrate to get a better life.

To answer your first question about how migration affects us today, one way is through cultural diversity and the enrichment of society. When people migrate from different parts of the world to North America, they bring with them their unique customs, traditions, languages, and cuisines. This multiculturalism adds vibrancy to our communities, fosters cross-cultural understanding, and allows for the exchange of ideas and experiences.

Now, let's move on to your second question about the migration of the first Americans and its causes and effects.

Cause: The migration of the first Americans, also known as Native Americans or Indigenous peoples, was primarily driven by two main factors: climate change and the pursuit of resources. During the last ice age, which ended around 12,000 years ago, a land bridge known as Beringia connected the continents of Asia and North America. This allowed early human populations to cross over into the Americas, following the migration of large game animals they depended on for survival.

Effect: The migration of the first Americans had several significant effects. One major impact was the establishment of diverse and thriving Native American cultures across the continents. As these early settlers spread throughout North, Central, and South America, they adapted to various environments, developing distinct languages, customs, and social structures. Some Native American tribes became skilled hunters, while others focused on agriculture. The migration also shaped the biodiversity and ecology of the Americas, as these early settlers interacted with and modified the natural environment to support their livelihoods.

To understand and explore these topics further, you can refer to historical and anthropological books, documentaries, and scholarly articles that delve into the migration patterns and histories of North Americans, as well as the rich cultural heritage of Native American tribes.