Insert correct prepositions!!!!!1. The USA stretches...the Atlantic coast... the island of

Insert correct prepositions!!!!!
1. The USA stretches...the Atlantic coast... the island of HaWaii 2. ... present the population of the USA is about 240 million people. 3. The USA was founded.... 1776 and the Constitution was adopted... 1787 4. Since then more than 25 amendments...the Constitution have been made. 5. Some powers have been given... the Federal government, others...the state governments. 6. The country consists... fifty states and the District of Columbia. 7. The president is the head...the executive power 8. The legislative power is vested... Congress.
Помогите пожалуйста!!!!!
буду очень признательна)!!